1.
E. Rama, K. Sambaiah. Solution of one dimensional wave equation and wave-like equations with variable coefficients using variational iteration method. Malaya J. Mat. [Internet]. 2021 Jan. 1 [cited 2024 Nov. 22];9(01):902-4. Available from: https://www.malayajournal.org/index.php/mjm/article/view/1187