Qiram, Ikhwanul, Nurkholis Hamidi, Lilis Yuliati, Willy Satrio Nugroho, and I Nyoman Gede Wardana. “The Analysis of Si/Al Ratio on CGA Decomposition in Indonesian Traditional Kreweng Pottery Coffee Roaster to Maximize Coffee Acidity”. Eastern-European Journal of Enterprise Technologies 4, no. 6(118) (August 31, 2022): 22–37. Accessed May 5, 2024. https://journals.uran.ua/eejet/article/view/260258.