Richmond, Derry, and Eryc Eryc. “Pendekatan Baru Kepuasan Pelanggan Dengan Organizational Citizenship Behavior Dan Altruistik Studi Kasus Fortunate Coffee Orchard Batam”. Innovative: Journal Of Social Science Research 3, no. 5 (October 10, 2023): 1693–1710. Accessed April 27, 2026. https://j-innovative.org/index.php/Innovative/article/view/5029.