AYULIANA, A., MANIK, J., JHONATAN, A., & LOANDA, J. (2025). DESIGN OF A MOBILE APPLICATION FOR CARBON EXPENDITURE RECORDING AND CARBON TAX ESTIMATION CALCULATION AS AN EFFORT TO SUPPORT CARBON EMISSION REDUCTION IN INDONESIA. ICCD, 7(1), 133-140. https://doi.org/10.33068/iccd.v7i1.851