Hilmiyati, H., Husraini, L., & Zamhuri, A. (2018). Densification of Product Torrefaction from Coconut Coir to Bio-briquette as Renewable Energy that Environmentally. International Journal Of Environmental Research & Clean Energy, 12(1), 13-16. Retrieved from https://www.isomase.org/Journals/index.php/ijerce/article/view/78