Nurrokhim, R.F., Siregar, F.F. and Prabowo, A. 2025. Perancangan Sistem Collaborative Shopping dan Pemanfaatan Toko Offline untuk Optimalisasi E-Commerce. Ranah Research : Journal of Multidisciplinary Research and Development. 7, 4 (May 2025), 2502-2511. DOI:https://doi.org/10.38035/rrj.v7i4.1510.