Manalili, Chona A. <br/><br/>
Towards the development of modules for the least mastered competencies in Kasaysayan at Pamahalaan ng Pilipinas 
Chona A. Manalili 
 - Quezon City  New Era University  2010 
 - xi, 132p. 
<br/><br/>Master of Arts 
<br/><br/><label>LC Class. No.: </label>CD-01585t