Suntusia, Suntusia, Dafik Dafik, and Hobri Hobri. “THE LEVEL OF CRITICAL THINKING SKILL ON SOLVING TWO-DIMENSIONAL ARITHMETICS PROBLEMS THROUGH RESEARCH-BASED LEARNING”. Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika 3, no. 1 (April 19, 2021): 55-69. Accessed July 16, 2024. https://journal.ibrahimy.ac.id/index.php/Alifmatika/article/view/1081.