L. Clark, Simpson-Hebert, M., and Sawyer, R.,
“La iniciativa 'PHAST' : transformacion participativa para la higiene y el saneamiento : un nuevo enfoque para el trabajo comunitario”. World Health Organization (WHO), Geneva, Switzerland, p. vi, 41 p. : 2 fig., 8 photogr., 1996.
L. Clark, Simpson-Hebert, M., and Sawyer, R.,
“L'initiative 'PHAST' : participation a la transformation de l'hygiene et de l'assainissement : une nouvelle methode de travail avec les communautes”. World Health Organization (WHO), Geneva, Switzerland, p. vi, 41 p. : 2 fig., 8 photogr., 1996.
D. D. Mara,
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L. Clark, Simpson-Hebert, M., and Sawyer, R.,
“The PHAST initiative : participatory hygiene and sanitation transformation : a new approach to working with communities”, vol. no. 1. World Health Organization (WHO), Geneva, Switzerland, p. vi, 39 p. : 2 fig., 8 photogr., 1996.
J. Valdelin, Alexander, E., Molokomme, I. M., Boman, K., Browne, D., Gronvall, M., and Settergren, G.,
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