Nirfayanti N, Setyawan D. Efektifitas Pembelajaran Program Linear Berbantuan Geogebra Terhadap Hasil Belajar Mahasiswa. Proximal [Internet]. 2018 Aug. 12 [cited 2025 Jul. 8];1(2):22-30. Available from: https://www.e-journal.my.id/proximal/article/view/194