Biblio

B. D. U. N. I. C. E. F. - Dhaka, WHO -Dhaka, BD, World Health Organization, y BD, D. P. H. E. Bangladesh, «Report on study on homemade (do-it-yourself) latrines, May - June 1993», vol. no. 13. World Health Organization, Community Water Supply & Sanitation Unit, Dhaka, Bangladesh, p. 51 p.: fig., tab., 1993.

B. D. U. N. I. C. E. F. - Dhaka y BD, D. P. H. E. Bangladesh, «The status of rural water supply and sanitation». UNICEF, Dhaka, Bangladesh, p. 22 p. : 1 box, 18 fig., 10 photogr., 1993.

B. D. U. N. I. C. E. F. - Dhaka y BD, D. P. H. E. Bangladesh, «A report on the pond sand filter research and development programme at Dacope». UNICEF, Khulna, Bangladesh, p. 13 p.: fig., tab., drwng, 1987.