Siskawati, Erina, Rochmad Rochmad, and Isnarto Isnarto. 2021. “Teka-Teki Klasik Filsafat Matematika”. PRISMA, Prosiding Seminar Nasional Matematika 4 (February), 189-93. https://journal.unnes.ac.id/sju/prisma/article/view/44962.