Dewi, R. ., Pratama, F. W. ., Setiawan, A. ., & Deswita, Y. . (2024). IMPROVEMENT OF LEARNING OUTCOMES OF GRADE VIII STUDENTS OF SMPN 4 SALATIGA THROUGH THE PBL MODEL WITH A CRT APPROACH. Tesseract: International Journal of Geometry and Applied Mathematics, 2(3), 268–280. https://doi.org/10.57254/tess.v2i3.42