Husna, Asmaul, and Nailul Himmi Hasibuan. 2018. “Praktikalitas Dan Keefektifan Modul Kalkulus 2 Berbasis Probing Prompting”. Edumatica : Jurnal Pendidikan Matematika 8 (2):1-8. https://doi.org/10.22437/edumatica.v8i2.5539.