Binti Ibrahim, Nur Aifiah. “The History of Mathematical Concepts”. Numerical: Jurnal Matematika dan Pendidikan Matematika 7, no. 2 (December 30, 2023): 384–391. Accessed August 24, 2025. https://journal.iaimnumetrolampung.ac.id/index.php/numerical/article/view/3972.