Evaluation of rural extension methods in learning: fixation and execution of a cattle breeding technique [Brazil
Cardozo, A.A. (Empresa de Assistencia Tecnica e Extensao Rural do Estado de Goias, Goiania (Brazil)), Guerrero, S.J, Barros, E. de V, Vieira, M
Published in Revista Ceres (1980)
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Published in Revista Ceres (1980)
Journal Article