Backyard and commercial piggeries in the Philippines : environmental consequences and pollution control options /
Ma Angeles O. Catelo, Moises A. Dorado & Elpidio Agbisit
- Singapore : Economy and Environment Program for Southeast Asia (EEPSA) , 2001
- 60p. : ill. ; 24 cm.
- Research Report (Economy and Environment Program for Southeast Asia) No. 2001-RR6 .