Kashif Memon, M. M. Shaikh, K. Malik, M. S. Chandio and A. W. Shaikh 2021. A new Simpson’s 1/3-type quadrature scheme with geometric mean derivative for the Riemann-Stieltjes integral. Sindh University Research Journal - SURJ (Science Series). 53, 04 (Dec. 2021). DOI:https://doi.org/10.26692/surj.v53i04.4222.