000			00663nam a22002177a 4500
999			_c148859 _d148858
005			20201120085332.0
008			201012b ||||| |||| 00| 0 eng d
020			_a9241701005
041			_aEN
082			_223 _a363.7 _bWOR
110			_983692 _aWorld Health Organization
245			_aImproving environmental health conditions in low income settlements
260			_aGeneva: _bWorld Health Organization; _c1987
300			_aVaried pagination
440			_9109074 _aWHO offset publication No.100,103,105
500			_aIncludes reference.
509			_aNS
650		4	_96465 _aEnvironmental health
650		4	_913852 _aPrimary healthcare
942			_cPR