Fitri Utami E, Rosalina E, Frima A. Pengembangan Modul Matematika Berbasis Contextual Teaching Learning pada Siswa Kelas IV 48 Lubuklinggau. JEC [Internet]. 2022 Jun. 30 [cited 2025 Jul. 2];2(2):105-23. Available from: https://ejournal.indrainstitute.id/index.php/jec/article/view/226