A critical study of the contents of books in arithmetic in the primary grades in Thailand [microform]

Manylion Llyfryddiaeth
Prif Awdur: Thumchai, Rawiwan 1931-
Fformat: Visual Material
Iaith:English
Cyhoeddwyd: Quezon City Photoduplication Service. University of the Philippines Library 1976.
Pynciau: