Roumasset, J. A. (1972). Choice of technique by lexicographic safety first for peasant agriculture and reswitching of risky techniques. School of Economics, University of the Philippines.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRoumasset, James A. Choice of Technique by Lexicographic Safety First for Peasant Agriculture and Reswitching of Risky Techniques. Quezon City: School of Economics, University of the Philippines, 1972.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRoumasset, James A. Choice of Technique by Lexicographic Safety First for Peasant Agriculture and Reswitching of Risky Techniques. School of Economics, University of the Philippines, 1972.
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