Classroom observation its use by public school division supervisors in Cagayan [microform].

Manylion Llyfryddiaeth
Prif Awdur: Liban, Pura Tumada 1923-
Fformat: Visual Material
Iaith:English
Cyhoeddwyd: Quezon City Photoduplication Service, University of the Philippines Library 1976.
Pynciau: