Kotamena, Fredson, and Martinus Tukiran. “A Literature Informal Learning Review: Social Media Platform to Improve Corporate Citizen Knowledge”. IJOSPOL - International Journal of Social, Policy and Law 1, no. 1 (December 15, 2020): 55-62. Accessed April 2, 2026. https://www.ijospl.org/index.php/ijospl/article/view/18.