Devender Kumar Kamboj, Dalip Singh, Vinod Kumar. Countable KC Functions and Inversely Countable KC Functions. Int. J. Math. And Appl. [Internet]. 2018 Mar. 1 [cited 2024 Jul. 22];6(1 - D):707-9. Available from: https://ijmaa.in/index.php/ijmaa/article/view/1131