Siagian P. Improvement High Order Think Skill with Think Pair and Share Learning in Social Arithmetic of the Sekolah Menengah Pertama (SMP) School of Medan. ASSRJ [Internet]. 2019Jul.1 [cited 2024Nov.24];6(6):68-80. Available from: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/5821