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Cotton research and promotion act amendment : hearings before the Subcommittee on Cotton of the Committee on Agriculture, House of Representatives, Ninety-fourth Congress, first session, on H.R. 10930, December 16 and 17, 1975
(1976)
The costs, returns and effects of agricultural research in a developing country : the case of cotton seed research in São Paulo, Brazil
Ayer, Harry Wright, (1970)
An annotated bibliography of cotton research at the Southern Utilization Research and Development Division, Agricultural Research Service, U.S. Dep. of Agriculture
Jones, Marie A., (1962)
Esboço do reconhecimento ecológico-agrícola de Moçambique
Quintanilha, A., (1953)
Quintanilha, A., (1954)