Yabes, L. Y. (1971). For a strengthened graduate program of the University. [s.n.].
Citace podle Chicago (17th ed.)Yabes, Leopoldo Yabes. For a Strengthened Graduate Program of the University. Quezon City, University of the Philippines: [s.n.], 1971.
Citace podle MLA (9th ed.)Yabes, Leopoldo Yabes. For a Strengthened Graduate Program of the University. [s.n.], 1971.
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