Nugroho, Z.B., Nurhayati, S., Suryaningsih, W. and Sukiran, S. 2024. Penerapan Lesson Study Pembelajaran Matematika Menggunakan Model Pembelajaran Problem Based Learning (PBL) Pada Materi Matriks. Journal of Lesson Study in Teacher Education. 2, 1 (Jun. 2024), 20-25. DOI:https://doi.org/10.51402/jlste.v2i1.118.