Rivadelo, R. F. (1975). A study of the musical discrimination of grades four, five, and six children in selected elementary schools in the Division of City Schools, Manila [microform]. Photoduplication Service, University of the Philippines Library.

Rivadelo, Rosita Felipe. A Study of the Musical Discrimination of Grades Four, Five, and Six Children in Selected Elementary Schools in the Division of City Schools, Manila [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

Rivadelo, Rosita Felipe. A Study of the Musical Discrimination of Grades Four, Five, and Six Children in Selected Elementary Schools in the Division of City Schools, Manila [microform]. Photoduplication Service, University of the Philippines Library, 1975.