Gregorio, Herman C. <br/><br/>Principles and methods of teaching Herman C. Gregorio  - Quezon City   R.P. Garcia  ©1976  - xix, 580 pages ;   22 cm <br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching.<br/><br/><label>LC Class. No.: </label>LB 1025   / .G861 1976