Bhaskar Mandal, P. K. RANA, and Sarmad Hossain. “A Study of Eilenberg-Maclane Space Through Infinite Symmetric Product Functor”. Journal of International Academy of Physical Sciences, vol. 28, no. 1, Mar. 2024, pp. 55-62, https://www.iaps.org.in/journal/index.php/journaliaps/article/view/942.