R.S.SHUDAPREYAA, T.YAWANIKHA, A.MAHALAKSHMI, J.MARY JENIFER, G.KAVIPRIYA. ANALYSIS OF UDEMY COURSES BASED ON MACHINE LEARNING ALGORITHM. International Journal of Control and Automation, v. 13, n. 1, p. 501 - 507, 1 Apr. 2020.