Gregorio, H. C. (1983). Principles and practices of college teaching (Revised edition.). R.P. Garcia Publishing.
Chicago Style (17th ed.) CitationGregorio, Herman Cruz. Principles and Practices of College Teaching. Revised edition. Quezon City: R.P. Garcia Publishing, 1983.
MLA (9th ed.) CitationGregorio, Herman Cruz. Principles and Practices of College Teaching. Revised edition. R.P. Garcia Publishing, 1983.
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