Hafifillah, M. G., & Abrar, U. (2024). Brand Positioning in Chellep Mineral Water Produced by Bustanul Ulum Islamic Boarding School in Sumenep. Proceeding ICAMEKA: International Conference Accounting, Management & Economics Uniska, 1, 851–855. https://doi.org/10.32503/icameka.v1i.70