Putri, A., Lubis, A. R., & Anarki, L. L. J. (2023). Analysis of Customer Satisfaction Levels in Purchasing Plastic Flower Crafts in Pematangsiantar using the Rought Set method. JOMLAI: Journal of Machine Learning and Artificial Intelligence, 2(2), 143–150. https://doi.org/10.55123/jomlai.v2i2.2888