Simanjuntak, Ria Anggraini. “Customer Perceptions of Mobile Telecommunication Providers in Determining Satisfaction and Loyalty: Focusing on College Students”. Gema Wiralodra 14, no. 3 (September 15, 2023): 1047–1060. Accessed April 21, 2024. https://gemawiralodra.unwir.ac.id/index.php/gemawiralodra/article/view/576.