Agronomic and economic correlation study, supporting activity for the land classification works, on the Upper Pampanga River Project, service area.

Agronomic and economic correlation study, supporting activity for the land classification works, on the Upper Pampanga River Project, service area.

書目詳細資料
Corporate Authors: Philippines (Republic). National Irrigation Administration, Philippines (Republic) Bureau of Agricultural Economics
格式: 圖書
語言:English
出版: Quezon City [s.n.] 1971.
主題:
Land > Upper Pampanga River Basin. > Philippines.
Land > Classification.