Balatbat Brigada D.,  1997. <br/><br/>
The implimentation of social studies program in cluster II high schools in Pampanga towards community services  [manuscript] / 
Brigada D. Balatbat. 
 - Magalang, Pampanga :  Pampanga Agricultural College,  1997. 
 - 44pgs ;  27 cm.