Mayangsari SN. GEOMATE PROJECT : Implementation of Project Based Learning (PjBL) with STEAM approach in producing geometry transformations totebags as fashion products. JELS [Internet]. 2026 Apr. 9 [cited 2026 Apr. 11];6(1):23-32. Available from: https://jurnal.gerakanedukasi.com/index.php/gerasi/article/view/237