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P. van Horn,
« Impact study Rural Water and Sanitation Programme East-Bhutan ». SNV Netherlands Development Organization, Thimphu, Bhutan, p. xii, 145 p.: 21 fig., 81 tab., 1994.
B. (Province) PK,
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Socio-Economic Units, Kerala -Trivandrum, IN,
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S. Zeitlyn, Ali, N., Hoque, B. A., Yahya, F. S. M., et Shaheed, N. M.,
« Promoting sanitation in Bangladesh »,
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M. M. Hoque, Ali, N., Coghlan, S. E., et Hoque, B. A.,
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M. Ince et I. Tarquino, R.,
« Sanitation in Colombia's low-income settlements : selection, implementation, and evaluation »,
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N. L. B. K. H. Consul Delft et Bangalore, I. N. Project Su,
« Water use, environmental sanitation and health beliefs and practices, felt needs and preferences : report on an in-depth village study in the Dharwad and Bijapur districts of northern Karnataka ». BKH Consulting Engineers, Project Support Unit, Bangalore, India, p. 51 p.: 8 fig., 9 tab., 1994.