ZAKARIA, ZAKI, and MUTIAH. “TINGKAT EFEKTIVITAS AKUN INSTAGRAM @TIRTOID DI KALANGAN MAHASISWA SURABAYA”. The Commercium 3, no. 1 (April 22, 2020). Accessed July 12, 2025. https://ejournal.unesa.ac.id/index.php/Commercium/article/view/32844.