Principles of teaching and teaching strategies. 
Zulueta, Francisco M. 
 -  National Book Store.  2012 
 - xiii, 246 pages 
9-71087157-9
Education -- Study and teaching.
F 371.102 Z94p 2012
                        9-71087157-9
Education -- Study and teaching.
F 371.102 Z94p 2012