Aprecio, Noel Victor, and Federico Roy Jr. “METHOD OF UNDETERMINED COEFFICIENTS IN SOLVING THIRD-ORDER LINEAR DIFFERENTIAL EQUATIONS: A COMPREHENSIVE ANALYSIS”. Journal of Engineering & Technological Advances 9, no. 1 (July 29, 2024): 105 - 118. Accessed April 27, 2025. https://jeta.segi.edu.my/index.php/segi/article/view/102.