Budiyanto, A., Romli, M., Anggraeni, E., Wiloso, E.I. and Hadipernata, M. 2026. Clustering in Chemical Characteristics and Contaminant Metal Levels of Indonesian Sago Starch: A Comprehensive Analysis of Purity and Quality. Science and Technology Indonesia. 11, 3 (Jun. 2026), 758–772. DOI:https://doi.org/10.26554/sti.2026.11.3.758-772.