Siregar IR, Purba MI, Sinaga AR. Pengaruh E-Commerce, Digital Payment, Media Sosial Terhadap Pendapatan Umkm Di Kecamatan Medan Barat. MSEJ [Internet]. 2025Jun.24 [cited 2025Jul.5];6(5):222-34. Available from: https://www.yrpipku.com/journal/index.php/msej/article/view/8478