21. The effect of the carbonization period to the yield of biomass charcoals of secang, roda, ketapang and siwalan fruits using the small scale PEM A – HRV furnace. (April 2020) Authors: Hatiningrum, W R; Suparno, ; Huzein, A; Syahputra, R D; Rahangmetang, A D Journal: Journal of physics Issue: Volume 1517(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗