Rahmadani, Anggie, and Aqtika Soleha. “The Use of Calculus in Optimizing the Performance of Computation-Based Information Systems”. Jurnal Penelitian Ilmu Pendidikan Indonesia 5, no. 1 (January 4, 2026): 117–120. Accessed May 1, 2026. https://jpion.org/index.php/jpi/article/view/932.