D-PFA: A Discrete Metaheuristic Method for Solving Traveling Salesman Problem Using Pathfinder Algorithm. - Poria Pirozmand; Ali Asghar Rahmani Hosseinabadi; Maedeh Jabbari Chari; Faezeh Pahlavan; Seyedsaeid Mirkamali; Gerhard-Wilhelm Weber; Summera Nosheen; Ajith Abraham (IEEE Access, 2023)