[1]
“Karakteristik Geokimia Organik Degradasi Fraksi Polar Batu Bara Bontang Kalimantan Timur”, JIFTA, vol. 2, no. 2, pp. 49–54, Sep. 2020, Accessed: Jan. 14, 2026. [Online]. Available: http://ejournals.umma.ac.id/index.php/jifta/article/view/792