Concepcion, Ma. Nerlita M. <br/><br/>
The effectiveness of in- service training in upgrading english teaching and learning among selected public secondary school teachers in the division of Angeles City, SY 1996-1997  [manuscript] / 
Ma. Nerlita M. Concepcion. 
 - Magalang , Pampanga :  Pampanga Agricultural College,  Summer 1997. 
 - 82 pages ;  27 cm.