Fitrianingsih I. Textisms in EFL WhatsApp Communication: A Multimodal Study of Learner Voice, Register Awareness, and Constructivist Pedagogy. ISHEL [Internet]. 2025 Jul. 23 [cited 2026 May 19];1(1):579-87. Available from: https://journal.unj.ac.id/unj/index.php/ishel/article/view/57470