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

Xehetasun bibliografikoak
Egile nagusia: Thumchai, Rawiwan 1931-
Formatua: Visual Material
Hizkuntza:English
Argitaratua: Quezon City Photoduplication Service. University of the Philippines Library 1976.
Gaiak: