Strategi Kesantunan Berbahasa Mahasiswa UPS Tegal dalam Percakapan WhatsApp. cakrawala-ups [Internet]. 2019 Nov. 1 [cited 2026 Jul. 20];13(2):30-6. Available from: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/203