TY - BOOK AU - Acero, Victorina O. AU - Javier, Evelyn S. AU - Castro, Hermina O. TI - Principles of teaching I SN - 978-971-23-4736-8 U1 - DFil 371.3 2007 PY - 2007/// CY - Manila PB - REX KW - Teaching KW - Methodology N1 - Includes index ER -