Saputra I, Ramli R. Use of Instagram @Buna.Indoneia Social Media in Promoting Buna Indonesia Coffee Shop to Customers. GRMAPB [Internet]. 2026 Apr. 2 [cited 2026 May 2];6(2):476-85. Available from: https://goldenratio.id/index.php/grmapb/article/view/1114