RT Book, Section SR Electronic(1) A1 United Nations Economic Commission for Europe YR 2021 T1 Overview of the challenges in measuring and monitoring the Sustainable Development Goals T2 Measuring and Monitoring Progress Towards the Sustainable Development Goals PB United Nations SN 9789210051866 DO 10.18356/9789210051866c006 UL https://www.un-ilibrary.org/content/books/9789210051866c006