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

書目詳細資料
主要作者:	Gunawardana, A. M. T.
其他作者:	Wickramasinghe, M. L. (joint author.), Abeyratne, S. (joint author.)
格式:	圖書
語言:	English
出版:	Colombo Agrarian Research and Training Institute 1980.
叢編:	Research study / Agrarian Research and Training Institute no. 34
主題:	Agricultural innovations > Sri Lanka. Farmers > Sri Lanka > Attitudes. Agricultural extension work > Sri Lanka. Communication in agriculture > Sri Lanka.