Soil in relation to socio-economic prolems in the Philippines [microform]

Soil in relation to socio-economic prolems in the Philippines [microform]

書目詳細資料
主要作者: Abad, Ramon Gil
格式: Visual Material
語言:English
出版: Quezon City Photoduplication Service University of the Philippines Library 1976.
主題:
Soil conservation > Philippines.
Soils > Philippines.
Philippines > Social conditions.
Philippines > Economic conditions.