Elsayed Badr, Shokry Nada, Ashraf ELrokh, Hoda Mostafa. Neutrosophic Digraph with Generalized Modus Tollens. TURCOMAT [Internet]. 2022Nov.19 [cited 2024Dec.27];13(03):895-904. Available from: https://turcomat.org/index.php/turkbilmat/article/view/13185