Pertiwi, Anisa Bella, et al. “Effects of Poverty, Income Inequality and Economic Growth to Environmental Quality Index (EQI) in 33 Province in Indonesia 2014-2019”. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi, vol. 16, no. 2, Oct. 2021, pp. 154-63, doi:10.24269/ekuilibrium.v16i2.2021.pp154-163.