Rahmi T, Rukmi AS, Sulistyowati S. Penerapan Model Problem Based Learning (PBL) Untuk Meningkatkan Hasil Belajar Matematika Untuk Siswa Kelas IV Di SDN Lidah Wetan 2. Innovative [Internet]. 2023 May 28 [cited 2026 Oct. 7];3(2):5647-55. Available from: http://j-innovative.org/index.php/Innovative/article/view/560