AYULIANA, A., MANIK, J., JHONATAN, A. and 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), pp. 133-140. doi: 10.33068/iccd.v7i1.851.