Roumasset, J. A. (1972). Choice of technique by lexicographic safety first for peasant agriculture and reswitching of risky techniques. Institute of Economic Development and Research, School of Economics, University of the Philippines.

Roumasset, James A. Choice of Technique by Lexicographic Safety First for Peasant Agriculture and Reswitching of Risky Techniques. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1972.

Roumasset, James A. Choice of Technique by Lexicographic Safety First for Peasant Agriculture and Reswitching of Risky Techniques. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1972.