Suharto, E. S. ., Othman, N. I. ., & Salim Nasir, M. A. . (2020). Nonstandard Finite Difference Scheme Associated with Harmonic Mean Averaging for the Nonlinear Klein-Gordon Equation. Journal of Advanced Research in Applied Sciences and Engineering Technology, 6(1), 9–19. Retrieved from https://www.akademiabaru.com/submit/index.php/araset/article/view/1922