Estimates of Hermite-Hadamard Inequality for Twice Differentiable Harmonically-Convex Functions with Applications. Punjab Univ. J. Math. [Internet]. 2018 Mar. 31 [cited 2025 Jun. 29];50(1):1-13. Available from: https://pujm.pu.edu.pk/index.php/pujm/article/view/114