Extension, Education and Communication Service, Research, Extension and Training Division, Sustainable Development Department, & Rivera, W. M. (2003). Agricultural extension, rural development and the food security challenge.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিExtension, Education and Communication Service, Extension and Training Division Research, Sustainable Development Department, এবং William McLeod Rivera. Agricultural Extension, Rural Development and the Food Security Challenge. 2003.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিExtension, Education and Communication Service, et al. Agricultural Extension, Rural Development and the Food Security Challenge. 2003.
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