Fathulliansyah N, Juhrani J, Santi IR, Hadi I. PERHITUNGAN MUATAN BATUBARA DENGAN METODE DRAFT SURVEY DI PT.TARUNA BETANG LABORATORIUM SERVIS. PJ [Internet]. 2026 Sep. 5 [cited 2026 Sep. 20];6(1):52-60. Available from: http://jurnal.amnus-bjm.ac.id/index.php/pena-jangkar/article/view/235