Zulueta, Francisco M. Principles and methods of teaching/ Francisco M. Zulueta. - Mandaluyong City: National Book Store, c2006. - xxiii, 391 pages; 22 cm. ISBN: 971-08-6645-1 Subjects--Topical Terms: Teaching methodology.Teaching--Principles and methods. Dewey Class. No.: DFil 371.3 / Z84