Bernardo, V. (1974). A study of the sequence of mathematics in the high school [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-viite (17. p.)Bernardo, Vicenta. A Study of the Sequence of Mathematics in the High School [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA-viite (9. p.)Bernardo, Vicenta. A Study of the Sequence of Mathematics in the High School [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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