New optical soliton solutions of space-time fractional nonlinear dynamics of microtubules via three integration schemes. - Saud Owyed; M. A. Abdou 001; Abdel-Haleem Abdel-Aty; Awad A. Ibraheem; Ramzi Nekhili; Dumitru Baleanu (J. Intell. Fuzzy Syst., 2020)