Simamora, Rustam Effendy, Firima Zona Tanjung, Lusiana Rizmawati, and Dini Adhe Lastari. 2024. “Perceptions of Failed Mathematics Education Students Toward Preparatory Mathematics Course”. Journal of Honai Math 7 (2):247-66. https://doi.org/10.30862/jhm.v7i2.571.