Challenges.

Manylion Llyfryddiaeth
Awduron Eraill:	Concepcion, Mercedes B., Gonzalez, Andrew, Jocano, F. Landa, Laya, Jaime C.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Manila Far Eastern University c1973.
Cyfres:	Dr. Nicanor Reyes, Sr. commemorative commissioned papers 1st
Pynciau:	Education > Philippines. Languages > Psychology. Urbanization.