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1by Abegunawardana, Piyasena, 1952-Subjects: “...Major agricultural economics....”
Published 1986
Link to ProQuest copy
Link to OAKTrust copy
ProQuest, Abstract
Thesis Book -
2by Jegasothy, Kandiah, 1949-Subjects: “...Major agricultural economics....”
Published 1985
Link to ProQuest copy
Link to OAKTrust copy
Thesis Book