Taufiq Iskandar, Salmawaty Arif, Marwan Ramli, Hizir Sofyan, Muhammad Ikhwan, Mailizar. Riemann Integral versus Geometric Series in Natural Logarithmic Calculation: A Strategy to Enhance Student Competency for Sustainable Technology and Innovation. IJCESEN [Internet]. 2025 Jun. 24 [cited 2025 Jun. 26];11(3). Available from: https://www.ijcesen.com/index.php/ijcesen/article/view/3029