00438nam a22001217a 4500008004100000020001500041082002900056100002300085245006800108260005200176300002000228650006800248140227b xxu||||| |||| 00| 0 eng d a9710863789 aFil. 574.522 Or12bc2003 aOrdoñez, Jose A. aEnvironmental biology: cJose A. OrdoñezbPhilippine setting/ aMandaluyong City:bNational Book Store,cc2003. axviii, 226 p. : xEcologyxBiology, EnvironmentalxEnvironmentxSocial conditions