Baskonus, H. M. (2021). Dark and trigonometric soliton solutions in asymmetrical Nizhnik-Novikov-Veselov equation with (2+1)-dimensional. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), 11(1), 92–99. https://doi.org/10.11121/ijocta.01.2021.00786