RS ISO 15923-1: 2013 WATER QUALITY — DETERMINATION OF SELECTED
PARAMETERS BY DISCRETE ANALYSIS SYSTEMS —
PART 1: AMMONIUM, NITRATE, NITRITE, CHLORIDE,
ORTHOPHOSPHATE, SULFATE AND SILICATE WITH
PHOTOMETRIC DETECTION
37,500.00
12
450,000.00
2
Rwanda Standards
RS ISO/IEC/IEEE 12207: 2017 SYSTEMS AND SOFTWARE ENGINEERING —
SOFTWARE LIFE CYCLE PROCESSES