00863nam a2200217 a 4500003000200000005001700002008004100019050002800060100001900088245007700107260009100184300004100275504004100316650002200357650004300379650004400422650004200466650004200508650004600550650004900596020250207144121.0130829s19uu xx 00 eng d aPGS SH 174b.R997 2013  aRyuto, Kotaro. aThe effect of water pollutants on the number of tilapia /cKotaro Ryuto. aLas Piñas City, Philippines :bSouthville International School and Colleges, c2013. a22 pages :billustrations ;c28 cm.  aIncludes bibliographical references. aTilapiavEcology. aTilapiavEffect of water pollution on. aWater pollutionvEnvironmental aspects. aWater qualityvBiological assessment. aFishesvEffect of water pollution on. aFish populationsvEffect of pollution on. aEnvironmental toxicologyvAquatic organisms.