000 | nam a22 4500 | ||
---|---|---|---|
020 | _a | ||
110 | _aBriscoe, John., Feachem, Richard G. and Mujibur, Rahaman M. | ||
245 | _aEvaluating health impact water supply, sanitation, and hygiene education | ||
260 |
_aLondon _bInternation development research center _c1986 |
||
942 | _c22 | ||
999 |
_c6127 _d6127 |