Ibrahim, Rifky, and Wella Wella. “E-WOM: Buy or No Buy?”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi 11, no. 1 (July 2, 2020): 51-56. Accessed November 21, 2024. https://ejournals.umn.ac.id/index.php/SI/article/view/1500.