Fiebert, Martin S., and Laura Liner. “Facebook Profile Pictures: Gender Differences in Frequency and Type of Profile Pictures Posted Within One-Year Period Among Older Adults”. Advances in Social Sciences Research Journal 4, no. 9 (May 10, 2017). Accessed November 23, 2024. http://116.203.177.230/index.php/ASSRJ/article/view/3156.