editors, N. Chandrasekhara Rao, Carl E. Pray, Ronald J. Herring

Academic Foundation 2018

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Robert E. Evenson, Carl E. Pray, Mark W. Rosegrant

International Food Policy Research Institute c1999 Research report / International Food Policy Research Institute 109

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[edited by] Robert E. Evenson, Carl E. Pray ; with the assistance of Zafar Ahmed ... [et al.]

Cornell University Press 1991 Food systems and agrarian change

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edited by Vernon W. Ruttan and Carl E. Pray

Westview Press 1987 Westview special studies in agriculture science and policy

pbk. : alk. paper

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Carl E. Pray, Jock R. Anderson

World Bank c1985 CGIAR study paper no. 8

: pbk

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