S. Siahaan

Optimization of ultrasound-assisted oil extraction from Carica candamarcensis; A potential Oleaginous tropical seed oil for biodiesel production

F. Kusumo, J. Milano, M. A. Pulungan, 2023, Renewable Energy.

Supercapacitor performance evaluation in replacing battery based on charging and discharging current characteristics

Suherman, N. Mubarakah, A. Sani, 2018 .

Effects of Secondary Chamber on Gas Yield by Pre-Vacuum Chamber Pyrolysis of Rubber Wood

H. Homma, H. Homma, S. Siahaan, 2017 .