A. Prins and Yacoob, M.,
“Adding guinea worm control components : guidelines for water and sanitation projects”, vol. no. 51. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. iii, 73 p.: fig., tab., 1988.
R. W. Porter and Yacoob, M.,
“Social marketing and water supply and sanitation : an integrated approach”, vol. no. 221. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vi, 28 p.: fig., ill., 1988.