Abellera, J. P. (1976). The correlation between the Bureau of Public Schools rating scale for teacher selection and the efficiency ratings of teachers in the Division of Cotabato I for the school year 1967-1968. University of the Philippines Library.
Chicago Style (17th ed.) CitationAbellera, Jesusa Palma. The Correlation Between the Bureau of Public Schools Rating Scale for Teacher Selection and the Efficiency Ratings of Teachers in the Division of Cotabato I for the School Year 1967-1968. Quezon City: University of the Philippines Library, 1976.
MLA (9th ed.) CitationAbellera, Jesusa Palma. The Correlation Between the Bureau of Public Schools Rating Scale for Teacher Selection and the Efficiency Ratings of Teachers in the Division of Cotabato I for the School Year 1967-1968. University of the Philippines Library, 1976.