INTEGRATING SMARTPHONES IN ENGLISH CLASS AT ELEMENTARY SCHOOL LEVEL: A STUDY ON INDONESIAN ELEMENTARY SCHOOL TEACHER’S PERCEPTION. JPFKIP [Internet]. 2022 Apr. 28 [cited 2025 Dec. 14];11(2):527-3. Available from: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/546