Tawikan Treeyaprasert และผู้แต่งคนอื่นๆ. (2024) The General Solutions of Fourth Order Cauchy-Euler Equations Using Sumudu Transform. <i>Thai Journal of Science and Technology</i>, <i>12</i>(2), 67-77.Tawikan Treeyaprasert และผู้แต่งคนอื่นๆ. "The General Solutions of Fourth Order Cauchy-Euler Equations Using Sumudu Transform". Thai Journal of Science and Technology 12 (2024):67-77.Tawikan Treeyaprasert และผู้แต่งคนอื่นๆ. The General Solutions of Fourth Order Cauchy-Euler Equations Using Sumudu Transform. Thammasat University:ม.ป.ท. 2024.