Darma IK, Candiasa IM, Sadia IW, Dantes N. Problem-based learning and authentic assessment on conceptual understanding and ability to solve mathematical problems: Among students of Politeknik Negeri Bali. IRJEIS [Internet]. 2018 Jul. 3 [cited 2024 Nov. 13];4(4):7-16. Available from: https://sloap.org/journals/index.php/irjeis/article/view/254