Siti Rahayu, and Tri Ngudi Wiyatno. 2022. “Segmentasi Supplier Mempertimbangkan Kombinasi Purchasing Portfolio Matrix (PPM) - Supplier Portfolio Matrix (SPM) Pada Perusahaan Manufaktur Komponen Otomotif”. JURNAL TEKNIK INDUSTRI 3 (02):59-71. https://doi.org/10.37366/JUTIN0302.5971.