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Sopiandy D, Arni A, Ramadani S, Sanafi S, Hikma H. Analisis Kebebasan Penggunaan Handphone di Sekolah terhadap Hasil Belajar PPKn Siswa SMK Negeri 1 Kolaka. jptam [Internet]. 2025 May 17 [cited 2025 Jun. 1];9(2):12695-702. Available from: https://jptam.org/index.php/jptam/article/view/26811