Mat Zin Boestami, Rusyidah, Azlan Kamari, Eli Rohaeti, and Budi Hastuti. 2024. “Production of Kombucha SCOBY Cellulose by Using Tea and Pumpkin Peel Waste As Fermentation Substrates: A Comparison Study”. Journal of Science and Mathematics Letters 12 (2): 119-33. https://doi.org/10.37134/jsml.vol12.2.9.2024.