| The cereals sub-sector in the Senegal River Valley--[microform] :--a marketing policy analysis /--Michael Lewis Morris. (1986) | |||||
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| Thesis (Ph. D.)--Michigan State University. Dept. of Agricultural Economics, 1986.. Bibliography: leaves 347-351.. Microfilm.--Ann Arbor, Mich. :--University Microfilms,--1987.--1 microfilm reel ; 35 mm.--s1987 miun a | |||||
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