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Rohrbach, D D and Bishaw, Z and van Gastel, A J G, eds. (1997) Alternative strategies for smallholder seed supply: proceedings of an International Conference on Options for Strengthening National and Regional Seed Systems in Africa and West Asia, 10-14 Mar 1997 Harare, Zimbabwe. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India . ISBN 9290663804
Flohr, M and Williams, J H and Lenz, F (1990) The Effect of Photoperiod on the Reproductive Development of a Photoperiod Sensitive Groundnut (Arachis hypogaea L.) Cv. NC Ac 17090. Experimental Agriculture, 26 (4). pp. 397-406. ISSN 1469-4441
Romeis, J and Shanower, T G and Gupta, M (1997) Failure of Trichogramma mass-releases in pigeonpea and chickpea. International Chickpea Newsletter, 4. pp. 27-28. ISSN 0257-2508