TY - GEN AU - Sabry Zaghloul Wahba AU - Imam A.Kobbib , AU - Salwa A.Shehata TI - Studies on efficiency of natural flocculants , chemical coagulant and sand filtration in algal removal for drinking water production / PY - 1998/// CY - Cairo : PB - Sabry Zaghloul Wahba , N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Botany (Microbiology) UR - http://172.23.153.220/th.pdf ER -