Manuela C. LakiManuela C. Laki. <br/><br/>
Development and evaluation of a proposed instructional module on selected topics in high school chemistry a the Holy Angel University, Angeles City  [manuscript] / 
Manuela C. Laki. 
 - Magalang, Pampanga :  Pampanga Agricultural College,  2004. 
 - 47 pages ;  28 cm.