Baskoro EP, Wahid sirojudinS, Riyanto OR. PENGEMBANGAN BUKU AJAR PPEP BERBASIS CONTEXTUAL LEARNING UNTUK MAHASISWA MATEMATIKA. JNR [Internet]. 2021Jun.29 [cited 2024Jul.3];12(1):46-57. Available from: https://e-journal.umc.ac.id/index.php/JNR/article/view/2573