Arshad, A., S. Mubeen, A. Shahzad, T. Niaz, and Sidra Ashraf. “Novel Results on Refinement of Hermite-Hadamard Type Inequality With Applications Of ∆-Convex Function”. International Journal of Innovations in Science & Technology, vol. 7, no. 3, Aug. 2025, pp. 1904-15, https://journal.50sea.com/index.php/IJIST/article/view/1460.