Proceedings of the Upland Farmer's Congress towards an ecologically and socially acceptable upland development.

書目詳細資料
企業作者: Pambansang Samahan ng mga Magsasaka sa Mataas na Lupa Los Baños, Laguna
格式: 圖書
語言:English
出版: Laguna University of the Philippines at Los Baños, PESAM 1984.
主題: