Oktaviani, Dian, and Herani Lestiana. “Description of Entrepreneurial Characters of Mathematics Education Department Students of UPS Tegal in Calculus Class”. Unnes Journal of Mathematics Education 6, no. 3 (November 30, 2017): 333-337. Accessed November 22, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/19417.