Biblio

P. K. Enterprise Islamabad y Islamabad, P. K. U. N. I. C. E. F. -, «Evaluation of the GOP - UNICEF water supply and environmental sanitation programme 1992-1998 : final report». UNICEF, Islamabad, Pakistan, p. xvi, 66 p. : 1 fig., 2 maps, 29 tab. + 90 p. annexes : 33 tab., 1999.