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Toomsan, B and Rupela, O P and Mittal, S and Dart, P J (1979) Counting chickpea rhizobia in soils. International Chickpea Newsletter, 1. pp. 10-11.
Rupela, O P and Josey, D P and Toomsan, B and Mittal, S and Dart, P J and Thompsan, J A (1980) Application Of Inherent Antibiotic Resistanceto Ecological Studies Of Rhizobia. In: Biological Nitrogen Fixation Technology for Tropical Agriculture, 9-13 March 1981, Cali, Colombia.
Toomsan, B and Rupela, O P and Dart, P J (1982) Studies on Soil and Rhizosphere Populations of Rhizobium Sp. Nodulating Cicer Arietinum. In: Proceedings of the National Symposium on Biological Nitrogen Fixation, 25th to 27th Feb 1982, Indian Agricultural Research Institute, New Delhi, India.
Toomsan, B and Rupela, O P and Mittal, S and Dart, P J and Clark, K W (1984) Counting Cicer-Rhizobium using a plant infection technique. Soil Biology and Biochemistry, 16 (5). pp. 503-507. ISSN 0038-0717
Rupela, O P and Dart, P J and Toomsan, B and Singh, D V and Subramaniam, D and Sharma, B K (1984) Facility for Growing Plants in Test Tubes at ICRISAT. Technical Report. International Crops Research Institute for the Semi-Arid Tropics.
Rupela, O P and Toomsan, B and Mittal, S and Dart, P J and Thompson, J A (1987) Chickpea rhizobium populations: Survey of influence of season, soil depth and cropping pattern. Soil Biology and Biochemistry, 19 (3). pp. 247-252. ISSN 0038-0717
Rupela, O P and Mittal, S and Dart, P J and Thompson, J A and Sudarshana, M R and Toomsan, B and Annapurna, K (1991) Variability in Different Characters of Bacteria Nodulating Chickpea. International Chickpea Newsletter, 25. pp. 35-36.
Senanarong, N and Cheuwchoom, P and Lusanandana, C and Tangpoonpo, S and Atichart, S and Pongkanjana, A and Srihaban, P and Singhapong, T and Patanothai, A and Toomsan, B and Ruaysoongnern, S and Rego, T J (2001) Improving Management of Natural Resources for Sustainable Rainfed Agriculture in Northeastern Thailand. In: Integrated Watershed Management for Land and Water Conservation and Sustainable Agricultural Production in Asia. Proceedings of the ADB-ICRISAT-IWMI Project Review and Planning Meeting, 10-14 December 2001, Hanoi, Vietnam.
Wangkahart, T and Toomsan, B and Pathak, P and Wani, S P (2005) Integrating Watershed Management for Land Degradation and Improving Agricultural Productivity in Northeast Thailand. In: Watershed Management Challenges Improving Productivity, Resources and Livelihoods. International Water Management Institute, Columbo, Sri Lanka, pp. 314-326. ISBN 92-9090-611 1
Toomsan, B and Limpinuntana, V and Jogloy, S and Patanothai, A and Pathak, P and Wani, S P and Sahrawat, K L (2012) Role of Legumes in Improving Soil Fertility and Increasing Crop Productivity in Northeast Thailand. In: Community Watershed Management for Sustainable Intensification in Northeast Thailand. 70-12 . International Crops Research Institute for the Semi-Arid Tropics , Patancheru, Andhra Pradesh, India, pp. 67-91.