N.MANGAPATHI, K.R.K.RAO, B.SRINUVASA RAO, MD IMAM PASHA. “On Certain Common Coupled Fixed Points of Rational Contraction Mappings in Partial B-Metric Spaces and Its Applications”. Mathematical Statistician and Engineering Applications 71, no. 4 (August 24, 2022): 735–752. Accessed October 23, 2025. https://philstat.org/index.php/MSEA/article/view/552.