RIYANTO, J. ANALISIS KESULITAN SISWA DALAM MENYELESAIKAN OPERASI HITUNG BILANGAN BULAT DI KELAS XII PERHOTELAN PEMINATAN KERJA SMK MITRA INDUSTRI MM 2100 BEKASI. Journal of Innovation Research and Knowledge, [S. l.], v. 3, n. 5, p. 989–998, 2023. Disponível em: https://www.bajangjournal.com/index.php/JIRK/article/view/6680. Acesso em: 4 jul. 2025.