Environmental science a shared responsibility towards the earth

Manylion Llyfryddiaeth
Awduron Eraill:	Santiago, Florenda I., Dorado, Salvacion L., Contreras, Lourdes E., Aquino, Ma. Salvacion G., Retondo, Elsinor P., Lamorena, Melchora B.
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	Manila Rex Book Store c1996.
Pynciau:	Environmental sciences. Human ecology > Study and teaching. Environmental impact analysis > Geographic subdivision Philippines. Environmental protection > Geographic subdivision Philippines.