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Handbook on monitoring and evaluation of human resources for health with special applications for low- and middle-income countries / edited by Mario R. Dal Poz ... [et al].
- 362.1068 H23617
- World Health Organization,
- c2009.
- Geneva :
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Water, sanitation and hygiene standards for schools in low-cost settings / edited by John Adams... [et al.].
- 363.61 W3242h
- World Health Organization,
- c2009.
- Geneva :