Helinsha, Maidi, and Margaretha Margawati. “The Influence of Social Media Instagram Toward Purchase Decision Making Process in Organicsupplyco”. Journal of Communication and Public Relations 1, no. 2 (June 30, 2022): 31–53. Accessed April 22, 2024. https://journal.lspr.edu/index.php/jcpr/article/view/420.