AUTHOR
- Jocano, Felipe Landa 1930- 3 ফলাফল
- Bennagen, Ponciano L. 1 ফলাফল
- Environmental Center of the Philippines Foundation 1 ফলাফল
- Fernan, Maria Luisa Lucas 1 ফলাফল
- IBON Foundation 1 ফলাফল
- Kikuchi, Yasushi 1 ফলাফল
- Lopez, Violeta B. 1 ফলাফল
- Philippines. Environmental Management Bureau 1 ফলাফল
- Scott, William Henry 1921- 1 ফলাফল
- Sentro para sa Ganap na Pamayanan 1 ফলাফল
- United Nations Development Programme 1 ফলাফল