Gayagoy, C. S. (1976). Science interests of grade ll children in Tuguegarao district no. 2 [microform]. Photoduplication Service University of the Philippines Library.
Citace podle Chicago (17th ed.)Gayagoy, Cipriana Singson. Science Interests of Grade Ll Children in Tuguegarao District No. 2 [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
Citace podle MLA (9th ed.)Gayagoy, Cipriana Singson. Science Interests of Grade Ll Children in Tuguegarao District No. 2 [microform]. Photoduplication Service University of the Philippines Library, 1976.
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