Maulana, J.; Tsamroh, D. ’Izzatus; Riyanto, O. E. S.; Widowati, T. R.; Sasongko, M. I. N.; Adrianto, S. N. K.; Lubis, D. Z. Comparative Analysis of Cost and Performance of Plastic Shredder Machines Using Heatmap-Based Scoring. IJIEM 2026, 7, 86-93.