TY - BOOK ED - World Health Organization TI - Water safety planning for small community water supplies : : step-by-step risk management guidance for drinking-water supplies in small communities SN - 9789241548427 PY - 2012/// CY - Geneva PB - WHO KW - Water Quality KW - Drinking Water KW - Water Pollution KW - Water Supply KW - standards KW - Manuals UR - https://apps.who.int/iris/bitstream/handle/10665/75145/9789241548427_eng.pdf?sequence=1&isAllowed=y ER -