Y. Al-Bayati, A., عباس, K. Saeed, R., روستم, H. Jwamer, K. and کاروان 2025. The Existence, Uniqueness And Upper Bounds For Errors Of Six Degree Spline Interpolating The Lacunary Data (0,2,5). AL-Rafidain Journal of Computer Sciences and Mathematics. 7, 2 (Jun. 2025), 49–57.