H. Al-Ham, N. Satyahadewi, and P. Preatin, “IMPLEMENTATION OF RESPONSE-BASED UNIT SEGMENTATION IN PARTIAL LEAST SQUARE (REBUS-PLS) FOR ANALYSIS AND REGIONAL GROUPING”, BAREKENG: J. Math. & App., vol. 20, no. 1, pp. 0197-0210, Nov. 2025.