Fantone, O. V. (1976). An analysis of the holding power of public secondary schools in Zambales and Olongapo City [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-viite (17. p.)Fantone, Orlando V. An Analysis of the Holding Power of Public Secondary Schools in Zambales and Olongapo City [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-viite (9. p.)Fantone, Orlando V. An Analysis of the Holding Power of Public Secondary Schools in Zambales and Olongapo City [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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