Umar N, Simatupang A, Azwardi I. Tin Exploration in Offshore of West Karimun-Kundur Island. BSED [Internet]. 2021 Aug. 7 [cited 2026 Nov. 12];14(1):6-7. Available from: https://journal.iagi.or.id/index.php/FOSI/article/view/254