Adhikary, Madhabmohan, Samir Kumar De, and Adittyanath Bhattacharyya. “An Intellectual Description of Ranganathan’s Classification Theory”. Journal of Information and Knowledge 40, no. 1 (May 20, 2014): 7–12. Accessed July 12, 2025. https://srels.org/index.php/sjim/article/view/48842.