by Marbun, B. T. H., Ridwan, R. H., Sinaga, S. Z., Pande, B., Purbantanu, B. A.
Published in Geothermal energy (Heidelberg) (16.10.2019)

by Marbun, B. T. H, Ridwan, R. H, Nugraha, H. S, Sinaga, S. Z, Purbantanu, B. A
Published in Energy reports (01.11.2020)

by Marbun, B.T.H., Sinaga, S.Z., Purbantanu, B.A., Ridwan, R.H.
Published in Renewable energy (01.08.2021)

by Marbun, B.T.H., Ridwan, R.H., Nugraha, H.S., Sinaga, S.Z., Purbantanu, B.A.
Published in Renewable energy (01.10.2021)

by Marbun, B.T.H., Ridwan, R.H., Sinaga, S.Z., Purbantanu, B.A.
Published in Renewable energy (01.05.2020)

by HR, Ridwan, Harahap, Nurmalita Ayuningtyas, Mardhatillah, Siti Ruhama
Published in Jurnal Hukum Ius Quia Iustum (24.04.2019)

by HR, Ridwan, Heryansyah, SHI., MH, Despan, Pratiwi, SH., MH, Dian Kus
Published in Jurnal Hukum Ius Quia Iustum (01.05.2018)