Taek Park, Seong, Sung Won Lee, and Tae Gu Kang. “A Study on the Trend of Cloud Service and Security through Text Mining Technique”. International Journal of Engineering & Technology 7, no. 2.33 (June 8, 2018): 127–132. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/13869.