Biblio

W. H. O. Expert Com Wastewater, Disposal of community wastewater : report of a WHO expert committee [meeting held in Geneva from 25 September to 1 October 1973], vol. no. 541. Geneva, Switzerland: World Health Organization (WHO), 1974, p. 72 p.

F. R. Centre Int Nancy and Office National de l'Eau Potable -Rabat, MA, ONEP, “Seminaire assainissement, Rabat 16, 17 et 18 juin 1992”. Centre International de l'Eau (NAN.C.I.E), Nancy, France, p. 147 p.