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

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Vera Cruz, Esperanza A.
Formáid: Visual Material
Teanga:Béarla
Foilsithe / Cruthaithe: Quezon City Photoduplication Service. University of the Philippines Library 1979.
Ábhair: