HARAHAP, F. H. Estimasi Tax Gap Indonesia: Analisis Diskrepansi PDRB Resmi Berdasarkan Nighttime Lights Berbasis Machine Learning: Estimating Indonesia’s Tax Gap: Analysis of Discrepancies in Official GRDP Based on Machine Learning-Based Nighttime Lights . MALCOM: Indonesian Journal of Machine Learning and Computer Science, v. 6, n. 2, p. 762-774, 26 Apr. 2026.