Mahesar, Sara, MUHAMMAD MUJTABA SHAIKH, Kamran Malik, and Sawera Mastoi. “Contra-Harmonic Mean Derivative-Based Open Newton-Cotes Quadrature Rules”. Sindh University Research Journal - SURJ (Science Series) 57, no. 02 (December 30, 2025): 1–10. Accessed April 4, 2026. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/7752.