Shaikh, A. H., Shaikh, A. G., Shaikh, W. A., & Ali, A. (2021). Polynomial Finite Difference Technique to Generalize Helmholtz Type Equations. Quaid-E-Awam University Research Journal of Engineering, Science & Technology, Nawabshah., 19(2), 15-21. https://doi.org/10.52584/QRJ.1902.03