Marjulisa, Rike, and Muhammad Natsir. “Metode Newton-Cotes Tertutup Terkoreksi Berdasarkan Turunan Rata-Rata Aritmatika”. SAINSTEK 9, no. 2 (December 15, 2021): 151–156. Accessed February 24, 2026. https://ejournal.sttp-yds.ac.id/index.php/js/article/view/15.