Belen, J. M. (1975). A study of the difficulties in problem solving of the grades V and VI pupils in the Rizal Elementary School, Manila [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17th ed.) CitationBelen, Juanita Manalastas. A Study of the Difficulties in Problem Solving of the Grades V and VI Pupils in the Rizal Elementary School, Manila [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
MLA (9th ed.) CitationBelen, Juanita Manalastas. A Study of the Difficulties in Problem Solving of the Grades V and VI Pupils in the Rizal Elementary School, Manila [microform]. Photoduplication Service, University of the Philippines Library, 1975.
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