Title New optical solitons of perturbed nonlinear Schrödinger–Hirota equation with spatio-temporal dispersion Type Article Keywords Not Record Abstract Not Record Researchers Lanre Akinyemi (First researcher) , hadi rezazadeh (Second researcher) , Qiu-Hong Shi (Third researcher) , Mustafa Inc (Fourth researcher) , Mostafa M. A. Khater (Fifth researcher) , Hijaz Ahmad (Not in first six researchers) , Adil Jhangeer (Not in first six researchers) , M. Ali Akbar (Not in first six researchers)