Bakery A. Kannan Contraction Maps on the Space of Null Variable Exponent Second-Order Quantum Backward Difference Sequences of Soft Functions and Its Pre-Quasi Ideal. Thai J Math [Internet]. 2023 Sep. 30 [cited 2024 May 2];21(3):445–480. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1520