Rahadi, D. R., Hadli, S. Ermeila, A. Mario, and D. Hartawan. “Implications of Consumer Complaints on Social Media for Companies in West Java, Indonesia”. European Journal of Science, Innovation and Technology, Vol. 3, no. 1, Mar. 2023, pp. 75-84, https://ejsit-journal.com/index.php/ejsit/article/view/160.