Perceptions of certain school officials on some supervisory functions and techniques of the agricultural school principal [microform].

Xehetasun bibliografikoak
Egile nagusia: Sanguansri, Suraphol 1928-
Formatua: Visual Material
Hizkuntza:English
Argitaratua: Quezon City Photoduplication Service,University of the Philippines Library 1975.
Gaiak: