Pranata OD. Pelatihan Kompetisi Sains Nasional (KSN) Cabang Matematika Tingkat SMP/MTs melalui Pembelajaran Berbasis Puzzle (National Science Competition Training for Junior High School/MTs Mathematics Through Puzzle-Based Learning). JPMMP [Internet]. 2021 Oct. 11 [cited 2025 Jun. 7];5(2):118-24. Available from: https://jurnal.uny.ac.id/index.php/jpmmp/article/view/42276