Breather, multi-shock waves and localized excitation structure solutions to the Extended BKP-Boussinesq equation. - Harun-Or Roshid; Noor Fadiya Mohd Noor; Mst. Shekha Khatun; Haci Mehmet Baskonus; Fethi Bin Muhammad Belgacem (Commun. Nonlinear Sci. Numer. Simul., 2021)