Karar, F. R. ., F. E. A. . Mohammed, and A. A. E. . Fattah. “The Excision Theory for Homology Theory through A_∞-Algebras”. Edelweiss Applied Science and Technology, vol. 8, no. 6, Dec. 2024, pp. 9472-86, doi:10.55214/25768484.v8i6.4026.