Miftahul Fikir, Samsurizal, and Andi Makkulau. “Perbandingan Penyelesaian Integral Riemann, Lebesgue Dan HK Berdasarkan Definisi”. Limits: Journal of Mathematics and Its Applications 18, no. 2 (November 15, 2022): 169–186. Accessed January 24, 2026. https://journal.its.ac.id/index.php/limits/article/view/5296.