TY  - BOOK
AU  - Manalili, Chona A.
TI  - Towards the development of modules for the least mastered competencies in Kasaysayan at Pamahalaan ng Pilipinas
AV  - CD-01585t 
PY  - 2010///
CY  - Quezon City
PB  - New Era University
N1  - Master of Arts
ER  -