(1)
Mining Engineering Master's Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia ,
(2)
Earth Resources Exploration Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia ,
(3)
Earth Resources Exploration Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia ,
(4)
PT Timah Tbk, Jalan Jenderal Sudirman No. 51 Pangkalpinang 33121, Bangka Belitung, Indonesia ,
(5)
PT Timah Tbk, Jalan Jenderal Sudirman No. 51 Pangkalpinang 33121, Bangka Belitung, Indonesia, Indonesia