Angkasa P. PENGARUH PENGGUNAAN SMARTPHONE TERHADAP PRESTASI BELAJAR SISWA SMK ADI SANGGORO BOGOR. JPG [Internet]. 2023 May 6 [cited 2024 Nov. 15];4(2):171-8. Available from: http://150.107.142.43/index.php/jpg/article/view/10183