=LDR 22 4500 =001 4720 =082 04$a1995 MAS =100 1\$aMassik, Zakia =245 10$aRelationship between bioavailable phosphorus and chemically analysed phosphorus in freshwater fish farm effluents =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1995 =650 \0$aTheses =852 \\$bFreeman Library$h1995 MAS