Chia, Keat Yeng, Siti Jamilah Hanim Mohd Yusof, and Saleha Shamsudin. “Optimization of Microwave-Assisted Inorganic Salt Pretreatment for Production of Fermentable Sugars from Spent Coffee Ground”. International Journal of Biomass Utilization and Sustainable Energy (IJBUSE) 2 (September 27, 2024). Accessed November 16, 2024. https://ejournal.unimap.edu.my/index.php/ijbuse/article/view/1007.