Fermin, A. E. G. (1976). Characteristics of teacher turnover types in the public elementary schools of Manila, 1959-1968 [microform]. Photoduplication Service University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFermin, Adelinda Emma Gajo. Characteristics of Teacher Turnover Types in the Public Elementary Schools of Manila, 1959-1968 [microform]. [Quezon City]: Photoduplication Service University of the Philippines Library, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFermin, Adelinda Emma Gajo. Characteristics of Teacher Turnover Types in the Public Elementary Schools of Manila, 1959-1968 [microform]. Photoduplication Service University of the Philippines Library, 1976.
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