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Herrero, M and Thornton, P K and Notenbaert, A M and Wood, S and Msangi, S and Freeman, H A and Bossio, D and Dixon, J and Peters, M and Steeg, J V D and Lynam, J and Rao, P P and Macmillan, S and Gerard, B and McDermott, J and Seré, C and Rosegrant, M (2010) Smart Investments in Sustainable Food Production: Revisiting Mixed Crop-Livestock Systems. Science, 327 (5967). pp. 822-825. ISSN 1095-9203
Rusike, J and Twomlow, S and Freeman, H A and Heinrich, G M (2006) Does farmer participatory research matter for improved soil fertility technology development and dissemination in Southern Africa? International Journal of Agricultural Sustainability, 4 (3). pp. 176-192. ISSN 1747-762X
Freeman, H A and Ellis, F and Allison, B E (2004) Livelihoods and rural poverty reduction in Kenya. Development Policy Review, 22 (2). pp. 147-171. ISSN 1467-7679
Ellis, F and Freeman, H A (2004) Rural livelihoods and poverty reduction strategies in four African countries. Journal of Development Studies, 40 (4). pp. 1-30. ISSN 1743-9140
Freeman, H A and Kaguongo, W (2003) Fertilizer market liberalization and private retail trade in Kenya. Food Policy, 28 (5-6). pp. 505-518.
Freeman, H A and Omiti, J M (2003) Fertilizer use in semi-arid areas of Kenya: analysis of smallholder farmers' adoption behavior under liberalized markets. Nutrient Cycling in Agroecosystems, 66 (1). pp. 23-31.
Place, F and Barrett, C B and Freeman, H A and Ramisch, J J and Vanlauwe, B (2003) Prospects for integrated soil fertility management using organic and inorganic inputs: evidence from smallholder African agricultural systems. Food Policy, 28 (4). pp. 365-378. ISSN 0306-9192
Freeman, H A and Merwe, P J A Van der and Subrahmanyam, P and Chiyembekeza, A J and Kaguongo, W (2002) Assessing adoption potential of new groundnut varieties in Malawi. Experimental Agriculture, 38 (2). pp. 211-221. ISSN 0014-4797
Snapp, S S and Rohrbach, D D and Simtowe, F and Freeman, H A (2002) Sustainable soil management options for Malawi: can smallholder farmers grow more legumes? Agriculture, Ecosystems and Environment, 91 (1-3). pp. 159-174.
Ngulube, S and Subrahmanyam, P and Freeman, H A and Merwe, P J A Van der and Chiyembekeza, A J (2001) Economics of groundnut production in Malawi. International Arachis Newsletter, 21. pp. 55-57. ISSN 1010-5824
Subrahmanyam, P and Merwe, P J A Van der and Chiyembekeza, A J and Ngulube, S and Freeman, H A (2000) Groundnut Variety CG 7: A Boost to Malawian Agriculture. International Arachis Newsletter, 20. pp. 33-35.
Freeman, H A and Roe, T L and Smith, J (1997) The effects of policies on farming households' decisions: economic evidence and environmental implications in northern Nigeria. Environment and Development Economics, 2 (3). pp. 307-321. ISSN 1749-6632
Freeman, H A and Shiferaw, B and Swinton, S M (2005) Assessing the impacts of natural resource management interventions in agriculture: concepts, issues and challenges. In: Natural resource management in agriculture: methods for assessing economic and environmental impacts. CAB International, Wallingford, Oxon, UK, pp. 3-16. ISBN 0-85199-828-3
Swinton, S M and Shiferaw, B and Freeman, H A (2005) Towards comprehensive approaches in assessing NRM impacts: what we know and what we need to know. In: Natural resource management in agriculture: methods for assessing economic and environmental impacts. CAB International, Wallingford, Oxon, UK, pp. 361-275. ISBN 0-85199-828-3
Shiferaw, B and Freeman, H A and Navrud, S (2005) Valuation methods and approaches for assessing natural resource management impacts. In: Natural resource management in agriculture: methods for assessing economic and environmental impacts. CAB International, Wallingford, Oxon, UK, pp. 19-51. ISBN 0-85199-828-3
Shiferaw, B and Freeman, H A and Woldemariam, H (2003) Assessing the Impact of NRM Research: Methodological Paucity Recent Progress and Future Directions. Documentation. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Hyderabad, Andhra Pradesh.
Shiferaw, B and Freeman, H A (2003) Methods for Assessing the Impacts of Natural Resource Management Research A Summary of the Proceedings of the ICRISAT-NCAP/ICAR International Workshop. Other. International Crops Research Institute for the Semi-Arid Tropics.
Freeman, H A and Van Der Merwe, P J A and Subrahmanyam, P and Chiyembekeza, A J and Kaguongo, W (2002) Assessing Adoption Potential of New Groundnut Varieties in Malawi. Working Paper. International Crops Research Institute for the Semi-Arid Tropics.
Jones, R and Freeman, H A and Monaco, G L (2002) Improving the access of small farmers in eastern and southern Africa to global pigeonpea markets.Agricultural Research and Extension Network Paper No. 120. Documentation. Agricultural Research & Extension Network.
Freeman, H A and Rohrbach, D D and Ackello-Ogutu, C (2002) New Priorities for Agricultural Research in Africa. Documentation. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Hyderabad, Andhra Pradesh.
Freeman, H A and Van der Merwe, P J A and Subrahmanyam, P and Chiyembekeza, A J and Kaguoungo, W (2001) Assessing adoption potential of new groundnut varieties in Malawi. Working Paper Series no. 11. Working Paper. International Crops Research Institute for the Semi-Arid Tropics , Nairobi, Kenya.
Freeman, H A (2001) Comparison of Farmer-Participatory Research Methodologies: Case Studies in Malawi and Zimbabwe. Working Paper. International Crops Research Institute for the Semi-Arid Tropics.
Jones, R B and Freeman, H A and Silim, S N (2000) Pigeonpea Technology Exchange ñ Strategies, Experiences, and Lessons Learnt in Eastern and Southern Africa. Monograph. International Crops Research Institute for the Semi-Arid Tropics.