@techreport{UNDP2018,
author = {UNDP, United Nations Development Programme},
title= {Human Development Indices and Indicators: 2018 Statistical Update - Technical Notes},
year = {2018},
URL = {https://hdr.undp.org/sites/default/files/data/2020/hdr2018_technical_notes.pdf},
publisher = {UNDP},
address = {New York},
}