Mahardini, Nadia, Alfred Setio Heriman, and Agus Fadil Wibowo. “Analysis of Factors Influencing Consumers in Purchasing Coffee Products of PT Indraco Global Indonesia”. Journal of Economics and Social Sciences (JESS) 4, no. 2 (August 16, 2025): 879–888. Accessed December 2, 2025. https://journal.civiliza.org/index.php/jess/article/view/928.