Environmental education guide.

Sonraí bibleagrafaíochta
Údair chorparáideacha: Philippines. Department of Education, Culture and Sports, Philippines. Environmenment Management Bureau
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: [Pasig City DECS] 1999.
Sraith:Asian Development Bank TA no. 1385-PHI
Ábhair: