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 |