Siohong Tih, Sean Ennis, and June M. L. Poon. 2008. “ATTITUDE TOWARDS ONLINE RETAILING SERVICES: A COMPARISON OF STUDENT AND NON-STUDENT SAMPLES”. Asian Academy of Management Journal 13 (1): 113–126. https://ejournal.usm.my/aamj/article/view/aamj_vol13-no-1-2008_6.