The Isabela Public School Teachers' Association its growth and responsibilities to its members, to society and to international understanding and cooperation [microform].

Xehetasun bibliografikoak
Egile nagusia: Vera Cruz, Esperanza A.
Formatua: Visual Material
Hizkuntza:English
Argitaratua: Quezon City Photoduplication Service. University of the Philippines Library 1979.
Gaiak: