Pratiwi, Indah Riezky, et al. “PENGEMBANGAN APLIKASI SMART - CALCULATOR BERBASIS DIGITAL SEBAGAI MEDIA PEMBELAJARAN MATERI KOMBINATORIKA [DEVELOPING SMART APPLICATION - DIGITAL-BASED CALCULATOR AS A REINFORCEMENT MEDIA IN LEARNING DISCRETE MATHEMATICS]”. JOHME: Journal of Holistic Mathematics Education, vol. 7, no. 2, Dec. 2023, pp. 180-96, doi:10.19166/johme.v7i2.7450.