“Analysis of the Influence of Chevcon Stacking Patterns on the Occurrence of Self-combustions in Stockpiles 1 & 2 of the UBP PLTUPangkalan Susu, Desa Tanjung Raja Kecamatan Pangkalan Susu, Kabupaten Langkat, Provinsi Sumatera Utara”, JRLDF, vol. 9, no. 01-96, hlm. 90–96, Apr 2026, Diakses: 2 Mei 2026. [Daring]. Tersedia pada: https://ejurnal.istp.ac.id/index.php/JRLDF/article/view/78