Aydi, H. 2011. “FIXED POINT THEOREMS FOR GENERALIZED WEAKLY CONTRACTIVE CONDITION IN ORDERED PARTIAL METRIC SPACES”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) 2 (2):269-84. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2636.