S. K. Malhotra, Satish Shukla, and J. B. Sharma. “Cyclic Contractions in θ-Complete Partial Cone Metric Spaces and Fixed Point Theorems”. Jordan Journal of Mathematics and Statistics 7, no. 3 (May 18, 2025): 233–246. Accessed September 10, 2025. https://jjms.yu.edu.jo/index.php/jjms/article/view/1081.