Ronats, L. O. (1976). A survey of the professional qualificationsand supervisory skills of elementary school head teachers in the public elementary school in the divison of Albay [microform]. Photoduplication Service University of the Philippines Library.
Cita Chicago (17th ed.)Ronats, Luz Oraa. A Survey of the Professional Qualificationsand Supervisory Skills of Elementary School Head Teachers in the Public Elementary School in the Divison of Albay [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
Cita MLA (9th ed.)Ronats, Luz Oraa. A Survey of the Professional Qualificationsand Supervisory Skills of Elementary School Head Teachers in the Public Elementary School in the Divison of Albay [microform]. Photoduplication Service University of the Philippines Library, 1976.