TY  - BOOK
AU  - Agno, Lydia N.
TI  - Principles of teaching 1 : : a modular approach 
SN  - 978-971-584-851-0
AV  - 371.102 Ag66p 
PY  - 2009///
CY  - Quezon City
PB  - C & E Pub
N1  - Includes index
ER  -