Wahyuningsih, Tri, et al. “The Application of Factor Analysis (FA) in Evaluating Supplier Selection Criteria in PT. Wijaya Karya Beton Tbk and Ranking Suppliers Using Integration of Analytical Hierarchy Process (AHP) and Adaptive Ratio Assessment (ARAS)”. Technium: Romanian Journal of Applied Sciences and Technology, vol. 4, no. 6, June 2022, pp. 11-17, doi:10.47577/technium.v4i6.6814.