Unidirectional flow of composite bright-bright solitons through asymmetric double potential barriers and wells. - Amaria Javed; T. Uthayakumar; Majed O. D. Alotaibi; S. M. Al-Marzoug; H. Bahlouli; Usama Al Khawaja (Commun. Nonlinear Sci. Numer. Simul., 2021)