Yerpude, Samir, and Dr Tarun Kumar Singhal. “Internet of Things Based Customer Relationship Management – A Research Perspective”. International Journal of Engineering and Technology 7, no. 2.7 (March 18, 2018): 444–450. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/10860.