PENGARUH PENERAPAN PROJECT BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KREATIF CALON GURU MATEMATIKA DALAM MENGEMBANGKAN BAHAN AJAR MATEMATIKA. (2018). EduMa: Mathematics Education Learning and Teaching, 7(2), 71-80. https://doi.org/10.24235/eduma.v7i2.3667