Mallonga, R. S. (1976). The supervisory practices of elementary school principals in the Division of Cagayan [microform. Photoduplication Service University of the Philippines Library.
Citación estilo ChicagoMallonga, Rosario Singson. The Supervisory Practices of Elementary School Principals in the Division of Cagayan [microform. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
Cita MLAMallonga, Rosario Singson. The Supervisory Practices of Elementary School Principals in the Division of Cagayan [microform. Photoduplication Service University of the Philippines Library, 1976.
Warning: These citations may not always be 100% accurate.