Doan, Thi Kieu Ngan, and Trung Hieu Nguyen. 2015. “Some Common Fixed Point Theorems for -Weak Nonlinear Contraction in Partially Ordered Metric-Type Spaces”. Dong Thap University Journal of Science, no. 13 (June):69-74. https://doi.org/10.52714/dthu.13.6.2015.207.