“Merger, Upskilling, and Reskilling of the Sales-Marketing Personnel in the Fourth Industrial Revolution Environment: A Conceptual Paper”, GJMBR, vol. 19, no. E5, pp. 13–23, Oct. 2019, Accessed: Sep. 02, 2026. [Online]. Available: https://journalofbusiness.org/index.php/GJMBR/article/view/2883