Indry Widiyani, Asep Arwan Sulaeman and Handala Simetris Harahap (2026) “Implementation of a Province Clustering Dashboard Based on IPM and Smoking Prevalence 2024 Using K-Means with KNN Validation as a Support for Data-Driven Decision Making”, International Journal of Science and Environment (IJSE), 6(2), pp. 1682–1690. doi: 10.51601/ijse.v6i2.649.