00487nam a2200169 a 4500 20140310183206.0 030123s19uu xx 00 eng d LB 1025 .G821Pr 1976 Gregorio, Herman C. Principles and methods of teaching / Herman C. Gregorio. Quezon City, Philippines : Garotech Publishing, 1976. 550 p. : 25 cm. EDU Teaching BK lcc LOC 19994 19994 0 0 lcc 0 CL CL FIL 2010-06-17 Library Fund 0 LB 1025 .G821Pr 1976 C1839 2018-05-08 00:00:00 1 2013-10-10 BK