1.
Hayati N, Mulyono M, Surya E, Lumbantobing H. Analyzing Mathematical Problem Solving and Critical Thinking Abilities Through Problem Based Learning at Junior High School Students. j. perspekt. [Internet]. 2025 May 26 [cited 2025 Oct. 8];9(2):283-9. Available from: http://perspektif.uinsgd.ac.id/index.php/JP/article/view/361