“PENGARUH PROJECT BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA: THE INFLUENCE OF PROJECT BASED LEARNING ON STUDENTS MATHEMATICAL CRITICAL THINKING ABILITY”. Abacus: Academic Journal of Mathematics Learning and Education 2, no. 01 (June 15, 2021): 78–93. Accessed May 20, 2024. https://jurnal.upg.ac.id/index.php/abacus/article/view/162.