Gultom MMI, Nababan EB, Situmorang Z. Improvement Ranking Accuracy of Weighted Aggregated Sum Product Assessment With Lambda Variable. mib [Internet]. 2023 Feb. 14 [cited 2026 Apr. 27];7(1):563-74. Available from: https://ejurnal.stmik-budidarma.ac.id/index.php/mib/article/view/5280