Article Metrics
Abstract view : 1270 timesRefbacks
- There are currently no refbacks.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Nomensen Ricardo
PT. TIMAH, Tbk
Indonesia
Dewi Ayu Kusumaningsih
PT. Studio Mineral Batubara
Indonesia
Teguh Nurhidayat
PT. TIMAH, Tbk
Indonesia