Suanoom, Cholatis, Wongvisarut Khuangsatung, and Thanatporn Bantaojai. “On an Open Problem in Complex Valued Rectangular B-Metric Spaces With an Application”. Science & Technology Asia 27, no. 2 (June 29, 2022): 78–83. Accessed October 1, 2022. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/241485.