Pakpahan, A.K., Ekasari, A. and Setiawan, V.R.I. (2026) “Digital Marketing 4.0 and Its Role in Enhancing E-Commerce Competitiveness: Evidence from Coffee Shop Businesses in Indonesia”, International Journal of Management Science and Information Technology, 6(1), pp. 165–171. doi:10.35870/ijmsit.v6i1.6537.