Muhammad, A. F. ., Indradi, D. A. ., & Kaltum, U. . (2022). Strategic Group Of National Cement Industry: A Case Study Of PT. Semen Indonesia TBK. Ganaya : Jurnal Ilmu Sosial Dan Humaniora, 5(4), 416–423. https://doi.org/10.37329/ganaya.v5i4.2780