Putri A, Alex A, Wenny W, Yolla Y, Feby F. Konsumen dan Media Sosial UMKM Donut Wawa Di Kota Batam. ceej [Internet]. 2023Apr.8 [cited 2025Jul.6];4(1):36-40. Available from: https://www.yrpipku.com/journal/index.php/ceej/article/view/1398