INTEGRATING SMARTPHONES IN ENGLISH CLASS AT ELEMENTARY SCHOOL LEVEL: A STUDY ON INDONESIAN ELEMENTARY SCHOOL TEACHER’S PERCEPTION. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 11, n. 2, p. 527–537, 2022. DOI: 10.33578/jpfkip.v11i2.8891. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/546. Acesso em: 14 dec. 2025.