TY - GEN AU - Amr Hamza Ahmed Said AU - Hisham Sayed Abdelhalim , AU - Ibrahim Hilal Elhattab , TI - Effect of coagulant and polymers doses on direct filtration process for potable water / PY - 1998/// CY - Cairo : PB - Amr Hamza Ahmed Said , N1 - Thesis(M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering UR - http://172.23.153.220/th.pdf ER -