Laba Naen, Maria Angela Ola, Stanis Man, and Hedwigh Lejap. “ Semen Indonesia Persero Tbk”. Economics and Digital Business Review 6, no. 1 (March 12, 2025). Accessed July 7, 2025. https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/2243.