TY  - BOOK
AU  - Gacelo, Ester Paunlagui.
TI  - Principles of teaching 1
SN  - 9789719924821
AV  - LB 1025.3 .G34 2012
PY  - 2012///
CY  - Quezon City, Philippines
PB  - C & E Publishing
N1  - Includes index and bibliographical references; GE
ER  -