00276nam a22000977a 4500082001500000100002100015245006800036260004600104300000700150650002100157  a661.82 FER  aFernando,H.A.M.C  aAgricultural and Economical Usefulness of Spent-Wash from Today  aPeradeniyabDepartment of Chemistryc1989  a42  achemical studies