Hasanah, Rahmah, Fitri Mareta, and Heliani. “Financial Statement Ratio Analysis to Assess Financial Performance at PT Polychem Indonesia Tbk”. Nusantara Science and Technology Proceedings 4, no. 4 (June 15, 2021): 40–47. Accessed June 30, 2025. https://nstproceeding.com/index.php/nuscientech/article/view/393.