Pakpahan AK, Ekasari A, Setiawan VRI. Digital Marketing 4.0 and Its Role in Enhancing E-Commerce Competitiveness: Evidence from Coffee Shop Businesses in Indonesia. Int. J. Manag. Sci. Inf. Technol. [Internet]. 2026 Mar. 9 [cited 2026 Mar. 12];6(1):165-71. Available from: https://journal.lembagakita.org/IJMSIT/article/view/6537