Schweigman, C. (1985). Operations research problems in agriculture in developing countries. Tanzania: Tanzania publishing house.
শিকাগো স্টাইলে সাইটেশনSchweigman, C. Operations Research Problems in Agriculture in Developing Countries. Tanzania: Tanzania publishing house, 1985.
এমএলএ সাইটেশনSchweigman, C. Operations Research Problems in Agriculture in Developing Countries. Tanzania: Tanzania publishing house, 1985.
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