M. M. Nasution, N. D. Dirbawanto, and O. M. Siregar, “ANALYSIS OF SERVICE BUSINESS GROWTH AND MARKETING STRATEGIES USED IN THE DIGITAL TECHNOLOGY ERA DURING THE COVID-19 PANDEMIC: (Case Study on PT. Sucofindo Medan)”, J. Hum. Soc. Sci. Bus., vol. 2, no. 2, pp. 525–534, Mar. 2023.