Hary Bangkit Subagyo S &. Kesalahan Siswa dalam Menyelesaikan Soal-Soal Model Pisa Konten Numerik Level 1 Sampai 3. Tadbir [Internet]. 2018 Aug. 1 [cited 2025 Oct. 13];6(2):50-67. Available from: https://journal.iaingorontalo.ac.id/index.php/tjmpi/article/view/842