Alpian, Raynold Panjaitan, Adi Jaya, Yanciluk, Wahyu Supriyati, and Emmy Uthanya Antang. 2020. “Chemical Properties of Charcoal Briquette With Composition Types of Gerunggang (Cratoxylon Arborescens) and Tumih (Combretocarpus Rotundatus) Wood from Tropical Peatlands”. Journal of Tropical Peatlands 10 (2):17-22. https://doi.org/10.52850/jtpupr.v10i2.2071.