RS ISO 24511: 2007 ACTIVITIES RELATING TO DRINKING WATER AND WASTEWATER SERVICES — GUIDELINES FOR THE MANAGEMENT OF WASTEWATER UTILITIES AND FOR THE ASSESSMENT OF WASTEWATER SERVICES
88,500.00
20
1,770,000.00
2
Rwanda Standards
RS ISO 6060: 1989 WATER QUALITY — DETERMINATION OF THE CHEMICAL OXYGEN DEMAND
