Farmers' knowledge and perception of improved technology a study of five farming systems

Detalhes bibliográficos
Autor principal: Gunawardana, A. M. T.
Outros Autores: Wickramasinghe, M. L. (joint author.), Abeyratne, S. (joint author.)
Formato: Livro
Idioma:English
Publicado em: Colombo Agrarian Research and Training Institute 1980.
Colecção:Research study / Agrarian Research and Training Institute no. 34
Assuntos: