Davao River being used as central septic tank

Davao River being used as central septic tank

ग्रंथसूची विवरण
में प्रकाशित:Manila Bulletin (07 Jun. 2004), F4
स्वरूप: लेख
भाषा:English
प्रकाशित: 2004
विषय:
Rivers > Davao
Water pollution > Davao