Villagonzalo, L. S. (1975). A study of the competencies of music teachers and their difficulties in teaching music in the elementary grades in the Division of Southern Leyte [microform]. Photoduplication Service, University of the Philippines Library.

Villagonzalo, Lucila Salinas. A Study of the Competencies of Music Teachers and Their Difficulties in Teaching Music in the Elementary Grades in the Division of Southern Leyte [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

Villagonzalo, Lucila Salinas. A Study of the Competencies of Music Teachers and Their Difficulties in Teaching Music in the Elementary Grades in the Division of Southern Leyte [microform]. Photoduplication Service, University of the Philippines Library, 1975.