Harahap, Nurul Wahidah, et al. “Application of Double Integral in Calculating the Volume of a Paraboloid-Shaped Pot Using MATLAB”. Pelita Cahaya Indonesia Mathematics Journal, vol. 1, no. 1, Jan. 2026, pp. 1-8, https://e-journal.yayasanpelitacahayapudev.my.id/index.php/jmpc/article/view/19.