Qaraghuli, K., B. S. Jasim, M. F. Murshed, and T. S. Gaaz. “Comparison of IDW and Spline Interpolation for Topographic Accuracy Assessment Using Geomatics Approaches”. Engineering, Technology & Applied Science Research, vol. 15, no. 5, Oct. 2025, pp. 27376-81, doi:10.48084/etasr.12973.