[1] A. Rosenfeld, Digital topology, Amer. Math. Monthly, 86 (1979), 621 – 630
[2] S.Mishra and M.Aaliya, Application of Topology in Science and Technology, International Journal of Research and Analytical Reciews,5(2018)101-104.
[3] Kopperman, R. (1994). The Khalimsky Line as a Foundation for Digital Topology. In: O, YL., Toet, A., Foster, D., Heijmans, H.J.A.M., Meer, P. (eds) Shape in Picture. NATO ASI Series, vol 126. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03039-4_2 .
[4] S. Jafari and A. Selvakumar, On Some Sets in Digital Topology, Poincare Journal of Analysis & ApplicationsVol. 8, No. 1(I) (2021), DOI: 10.33786/pjaa.2021.v08i01(i).001.
[5] Seymour Lipschutz, General Topology, Schaum’s Outline Series.
[6] Abd El-Monem M. Kozae1 and El-Sayed A. Abo-Tabl, On Digital Line and Operations, General Letters in Mathematics Vol. 4, No. 3, June 2018, pp.107-113, https://doi.org/10.31559/glm2018.4.
[7] Anne Kurie K., M. S. Samuel,Continuity in Digital Spaces with The Khalimsny
Topology,International Journal of MathematicsTrends and Technology 53(2018),65-67
[8] G.Gutierres,What is First Countable Space?, Topology and Its Applications,153(2006)3420-3429. doi:10.1016/j.topol.2006.03.003
[9] K. Annie Kurien1 and M. S. Samuel, Connectedness in Digital Spaces with the Khalimsky
Topology, Int. J. Math. And Appl., 6(1–D)(2018), 773–774.
[10] James F. Peters, Topology of Digital Images, Springer-Verleg Berlin Heidelkberg,2014.