Sukmasari, Dyah, and Indri Murniawaty. “Peningkatan Kemampuan Berpikir Kritis Siswa Melalui Model Pembelajaran Group Investigation Berbasis Lesson Study”. Economic Education Analysis Journal 8, no. 3 (November 26, 2019): 1097-1114. Accessed November 24, 2024. https://journal.unnes.ac.id/sju/eeaj/article/view/35713.