Biblio

U. N. I. C. E. F. /G. R. Z. - ZM, “Financing options for low-cost well drillers and communities for rural water supply ”. UNICEF, New York, NY, USA, p. v, 35 p.; tab.; fig.; boxes; photographs, 2010.

U. N. I. C. E. F. /G. R. Z. - ZM, “Improving skills of manual drilling enterprises : business management”. UNICEF, New York, NY, USA, p. 48 p.; tab., 2010.

U. N. I. C. E. F. /G. R. Z. - ZM, “Professionalizing the manual drilling sector in Africa : a guide to building capacity to increase access to safe water in rural areas”. UNICEF, New York, NY, USA, p. 31 p.; tab.; fig.; boxes; photographs, 2010.