“…See articles [14,17,19,23,27] and the references therein. We would also like to point out in particular that readers wishing to learn more about the subject of this article and the various types of convexity may refer to the references [3,1,2,4,6,7,9,10,8,11,24,20,21,25,26,29,28,30,31,33].…”