A study of the difficulties in problem solving of the grades V and VI pupils in the Rizal Elementary School, Manila [microform]

Dades bibliogràfiques
Autor principal: Belen, Juanita Manalastas 1916-
Format: Visual Material
Idioma:English
Publicat: Quezon City Photoduplication Service, University of the Philippines Library 1975.
Matèries: