Purnomo, Agustina Multi, and Reza Ahmad Musyafi. “Sociology Approach in Food Souvenir Innovation: The Customer-Producers Relation on Online Marketing Communication”. Indonesian Journal of Social Research (IJSR) 4, no. 3 (December 12, 2022): 165-177. Accessed May 4, 2024. https://iojs.unida.ac.id/index.php/IJSR/article/view/230.