H. L. Jennings and Gridley, K.,
“Atelier sur la formation des formateurs : projet d'alimentation en eau et d'assainissement en milieu rural au Benin”, vol. no. 266. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 68 p.: fig., tab., 1989.
T. C. Leonhardt and Fry, S. K.,
“Benin rural water and sanitation project management and supervision workshop”, vol. no. 280. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii, 104 p.: fig., tab., 1989.
P. Roark and Fry, S.,
“Benin rural water supply and sanitation project : mid-term evaluation”, vol. no. 252. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. x, 73 p.: fig., tab., 1989.
H. L. Jennings and Gridley, K.,
“Training of trainers workshop : Benin rural water supply and sanitation project”, vol. no. 266. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 67 p.: fig., 1989.