Efficiency Of Explosive Materials Using The Bottom Air Deck Method At Pt. Maleo Rachma Indo Abadi Job Site Leuwikeris Dam, Karangjaya District, Tasikmalaya Regency, West Java Province. JSTR. 2025;1(1):35-42. Accessed January 28, 2026. https://journal.umtas.ac.id/JSTR/article/view/6456