Purnamasari, R., Primary, M. A., Saputra, Y., & Rahmat, R. (2022, April). INTEGRATING SMARTPHONES IN ENGLISH CLASS AT ELEMENTARY SCHOOL LEVEL: A STUDY ON INDONESIAN ELEMENTARY SCHOOL TEACHER’S PERCEPTION. Primary: Jurnal Pendidikan Guru Sekolah Dasar.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Purnamasari, Resti, Metty Agustine Primary, Yuyus Saputra, و Rahmat Rahmat. "INTEGRATING SMARTPHONES IN ENGLISH CLASS AT ELEMENTARY SCHOOL LEVEL: A STUDY ON INDONESIAN ELEMENTARY SCHOOL TEACHER’S PERCEPTION." Primary: Jurnal Pendidikan Guru Sekolah Dasar Apr. 2022.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Purnamasari, Resti, et al. "INTEGRATING SMARTPHONES IN ENGLISH CLASS AT ELEMENTARY SCHOOL LEVEL: A STUDY ON INDONESIAN ELEMENTARY SCHOOL TEACHER’S PERCEPTION." Primary: Jurnal Pendidikan Guru Sekolah Dasar, Apr. 2022.