Biblio

J. Parkinson, «Achieving improved water safety through better operation and maintenance practices», Drinking water safety international, pp. p. 6-7 : 3 fig., 2010.

J. Parkinson y Alam, S. M. Khatib, «Appropriate design standards and construction specifications for tertiary sewerage systems». GHK International, Islamabad, Pakistan, p. iii, 53 p. : boxes, fig., photogr., tab., tech. drwng., 2002.

J. Parkinson, «Urban drainage in developing countries : challenges and opportunities», Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5 : 1 fig., 2 photogr., 2002.