RT Book, Section SR Electronic(1) A1 United Nations Department of Economic and Social Affairs YR 2021 T1 Employment, unemployment and earnings T2 Monthly Bulletin of Statistics, April 2021 PB United Nations SN 9789216040376 DO 10.18356/9789216040376c004 UL https://www.un-ilibrary.org/content/books/9789216040376c004