Siregar KZ, Ramdhani S, Sumarni S. PENGARUH MODEL COOPERATIVE LEARNING TIPE TWO STAY TWO STRAY (TSTS) TERHADAP PEMAHAMAN MATEMATIS DAN KEMAMPUAN BERFIKIR KRITIS SISWA SDN . science [Internet]. 2026 May 15 [cited 2026 May 16];6(2):1197-208. Available from: https://www.jurnalp4i.com/index.php/science/article/view/10734