Rahim Matondang, Nazaruddin Matondang, S. S. H. N. “BEHAVIOR MODEL OF ADOPTION OF ONLINE INFORMATION SYSTEM TECHNOLOGY”. International Journal of Advanced Science and Technology, Vol. 29, no. 04, Mar. 2020, pp. 1464 -72, http://sersc.org/journals/index.php/IJAST/article/view/5837.