J. Parkinson and 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.