Sulaiman, W. (2011). New Several Integral Inequalities. Tamkang Journal of Mathematics, 42(4), 505-510. https://www.airitilibrary.com/Article/Detail?DocID=00492930-201112-201202150007-201202150007-100-105
Yang, G. S., & Liu, S. J. (2009). A Simple Proof of Inequalities Related to Means. Tamkang Journal of Mathematics, 40(4), 429-436. https://www.airitilibrary.com/Article/Detail?DocID=00492930-200912-201012230067-201012230067-429-436
Ozdemir, M. E., Kavurmaci, H., & Avci, M. (2013). Some Integral Inequalities for Convex Functions. Tamkang Journal of Mathematics, 44(3), 253-259. https://doi.org/10.5556/j.tkjm.44.2013.1016