Wisnu Wardana, Rahmad, Muhammad Irfan Khoirullah, Dewi Rahmasari, Amelia Khoidir, and Tyas Yuli Rosiani. 2026. “Sustainability Evaluation of Sand Suppliers Using DEA–TOPSIS Integration in the Concrete Industry”. Metode : Jurnal Teknik Industri 12 (2):311-25. https://doi.org/10.33506/mt.v12i2.5670.