Ankita Nainwal, Bhaskar Pant, Garima Sharma, and Amit Kumar Sharma. “Nullity Of Cold Start Problem In Recommender Systems: A Study ”. Elementary Education Online 20, no. 3 (December 15, 2023): 3485–3490. Accessed June 3, 2024. https://ilkogretim-online.org/index.php/pub/article/view/2727.