Biay, A. R. (1975). A study of the factors affecting low academic achievements of the public elementary school pupils in the Districts of Balamban from 1964-1967 [microform]. Photoduplication Service, University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Biay, Anastasio Rojas. A Study of the Factors Affecting Low Academic Achievements of the Public Elementary School Pupils in the Districts of Balamban from 1964-1967 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
Citatione MLA (9a ed.)Biay, Anastasio Rojas. A Study of the Factors Affecting Low Academic Achievements of the Public Elementary School Pupils in the Districts of Balamban from 1964-1967 [microform]. Photoduplication Service, University of the Philippines Library, 1975.