DENR secretary explains wealth its my hubbys retirement pay

Divers caught spearfishing in Apo Reef অনুযায়ী Honasan, Alya B.

What nature brings

State of the world, 2003 a Worldwatch Institute report on progress toward a sustainable society

R & D status and directions (2000 and beyond) agricultural ecosystem.

State of the Philippine land and soil resources 2003

Cultures of disaster society and natural hazards in the Philippines অনুযায়ী Bankoff, Greg

Available for University of the Philippines System via EBSCOhost. Click here to access

The rural life অনুযায়ী Klinkenborg, Verlyn. 1952-

Unnatural disasters case studies of human-induced environmental catastrophes অনুযায়ী Gunn, Angus M. (Angus Macleod) 1920-

Philip's nature encyclopedia.