000 009020000a22003250004500
001 006971
005 20230526120552.0
020 _a92-4-154471-6
046 _j19940000
245 _aOperation and maintenance of urban water supply and sanitation systems: a guide for managers
260 _bOMS
260 _c1994
270 _bGeneva
270 _dCH
300 _aix; 102 p.
300 _bdiagrs., tabls.
505 _aThe systems approach to management
505 _aManagement of operation and maintenance
505 _aPlanning and control of operation and maintenance
505 _aInformation systems
505 _aImplementation
546 _aInglés
650 _aABASTECIMIENTO DE AGUA
650 _aVIGILANCIA SANITARIA
650 _aMANTENIMIENTO
650 _aGUÍA
710 _aOrganización Mundial de la Salud
852 _aWA670
_bO647
_c1994
942 _cLB
999 _c6633
_d6633