Nageswara Rao K. Application Domain and Functional Classification of Recommender Systems—A Survey. DESIDOC Jl. Lib. Info. Technol. [Internet]. 2010 Mar. 26 [cited 2025 Jun. 15];28(3):17-35. Available from: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/174