RS ISO 2859-4: 2020 SAMPLING PROCEDURES FOR INSPECTION BY ATTRIBUTES — PART 4: PROCEDURES FOR ASSESSMENT OF DECLARED QUALITY LEVELS
27,000.00
27
729,000.00
2
Rwanda Standards
RS ISO 24510: 2024 ACTIVITIES RELATING TO DRINKING WATER AND
WASTEWATER SERVICES — GUIDELINES FOR THE
ASSESSMENT AND FOR THE IMPROVEMENT OF THE
SERVICE TO USERS
