Улсын эталоныг хөтлөх, нэгж дамжуулах аргачлалhttps://masm.gov.mn/pdf/1639029149_%d0%a3%d0%bb%d1%81%d1%8b%d0%bd%20%d1%8d%d1%82%d0%b0%d0%bb%d0%be%d0%bd%d1%8b%d0%b3%20%d1%85%d3%a9%d1%82%d0%bb%d3%a9%d1%85_%20%d0%bd%d1%8d%d0%b3%d0%b6%20%d0%b4%d0%b0%d0%bc%d0%b6%d1%83%d1%83%d0%bb%d0%b0%d1%85%20%d0%b0%d1%80%d0%b3%d0%b0%d1%87%d0%bb%d0%b0%d0%bb%20%d0%90156.pdf