BOLA OLUSEGUN A.; MBAVETIRCHA JOHN T. SEVEN POINTS COSINE RUNGE-KUTTA METHODS FOR SOLVING FIRST ORDER ORDINARY DIFFERENTIAL EQUATIONS. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 8, n. 10, p. 10–18, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2910. Acesso em: 29 jan. 2026.