Naibaho, N. A. ., O. T. . Manurung, P. D. . Jelita, and L. S. . Saragih. “Analysis of Starbucks Marketing Strategy to Become a Luxury Brand”. Indonesian Journal of Advanced Research, vol. 2, no. 12, Dec. 2023, pp. 1595-04, doi:10.55927/ijar.v2i12.7054.