Rumlus, F., W. A. Areros, and L. F. Tamengkel. “Strategi Pemasaran Café Beenji Senyawa Di Kota Manado”. Productivity, vol. 4, no. 3, Mar. 2023, pp. 383-92, https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/47703.