Maļkeviča, Viktorija, Anda Zvaigzne, and Sandra Murinska. “EXAMINATION OF MOBILE COMMUNICATION SERVICE PROVIDERS IN LATVIA”. Journal of Regional Economic and Social Development 12 (December 20, 2021): 118–130. Accessed May 7, 2024. https://journals.rta.lv/index.php/JRESD/article/view/5393.