Challenges.

Sonraí bibleagrafaíochta
Rannpháirtithe:	Concepcion, Mercedes B., Gonzalez, Andrew, Jocano, F. Landa, Laya, Jaime C.
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Manila Far Eastern University c1973.
Sraith:	Dr. Nicanor Reyes, Sr. commemorative commissioned papers 1st
Ábhair:	Education > Philippines. Languages > Psychology. Urbanization.