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

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Thumchai, Rawiwan 1931-
Formáid: Visual Material
Teanga:English
Foilsithe / Cruthaithe: Quezon City Photoduplication Service. University of the Philippines Library 1976.
Ábhair: