Winata, R., Syafina, L. and Harahap, M. (2024) “Analysis of Tahubudi product strategy in facing competition using Porter’s five forces and Islamic perspective”, SERAMBI: Jurnal Ekonomi Manajemen dan Bisnis Islam, 6(2), pp. 87-100. doi: 10.36407/serambi.v6i2.1342.