Gregorio, Herman C. <br/><br/>Principles and practices of college teaching / by Herman C. Gregorio. --  -- Rev. ed. --  -- Quezon City :  R.P. Garcia Pub.,  c1983. <br/>341 p. ;  22 cm. <br/><br/> Includes index. <br/><br/><label>Subjects--Topical Terms: </label><br/>Universities and colleges.<br/>Education, Higher.<br/>College teaching.