Challenges.

Bibliografiske detaljer
Andre forfattere:	Concepcion, Mercedes B., Gonzalez, Andrew, Jocano, F. Landa, Laya, Jaime C.
Format:	Bog
Sprog:	English
Udgivet:	Manila Far Eastern University c1973.
Serier:	Dr. Nicanor Reyes, Sr. commemorative commissioned papers 1st
Fag:	Education > Philippines. Languages > Psychology. Urbanization.