Shikha Panwar, and Vinita Agrawal. “Mathematical Modeling of Employee Performance on the Usage of Smartphone’s in Higher Educational Institutions”. Elementary Education Online 20, no. 1 (March 14, 2021): 2237–2246. Accessed January 15, 2025. https://ilkogretim-online.org/index.php/pub/article/view/3191.