MENDONÇA VM, CAMPOS DOS SANTOS MJ, SANTOS CARVALHO R, JEIDJANE BORGES RIBEIRO M, JOSÉ FERREIRA DA SILVA G. Sustainability indicators and social technologies in the Brazilian semi-arid: a systematic review. Int J Innov Educ Res. 2019;7(6):90-104. doi:10.31686/ijier.vol7.iss6.1556