ROHMAN, Harun Abdul. A NEW APPROACH TO BOUNDING THE PERIMETER OF AN ELLIPSE: EXTREMAL ANALYSIS AND INTEGRAL REFORMULATION. Jurnal Ilmiah Matematika dan Pendidikan Matematika, [S.l.], v. 17, n. 1, p. 11-34, june 2025. ISSN 2550-0422. Tersedia pada: <https://jos.unsoed.ac.id/index.php/jmp/article/view/15684>. Tanggal Akses: 01 july 2025 doi: https://doi.org/10.20884/1.jmp.2025.17.1.15684.