“The Effect of GDP Per Capita, Corruption Perception Index, Human Development Index, and Coal Consumption on Carbon Dioxide Emissions in the BRICS Group of Countries”. Efficient: Indonesian Journal of Development Economics 8, no. 2 (June 8, 2025): 183–193. Accessed December 5, 2025. https://journal.unnes.ac.id/journals/efficient/article/view/1867.