RS ISO 20419: 2018 TREATED WASTEWATER REUSE FOR IRRIGATION -- GUIDELINES FOR THE ADAPTATION OF IRRIGATION SYSTEMS AND PRACTICES TO TREATED WASTEWATER
61,500.00
4
246,000.00
2
Rwanda Standards
RS ISO 20481: 2008 COFFEE AND COFFEE PRODUCTS — DETERMINATION OF THE CAFFEINE CONTENT USING HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) — REFERENCE METHOD