Hawlader F, Akter N. New closed-form soliton solutions for the tzitzeica dodd bullough equation arising nonlinear optics via three distinct re-liable approaches. IJPR [Internet]. 2021 Jan. 13 [cited 2024 Apr. 27];9(1):11-26. Available from: https://www.sciencepubco.com/index.php/IJPR/article/view/31271