Ghassan. E. Arif , Alaa. M. F. AL. Jumaili, Abduljabar. K. Abbas. Another New Forms of Strongly and Quasi Mappings in Topological Spaces via δ-ß-Open Sets. J Arch.Egyptol [Internet]. 2020Nov.3 [cited 2024Dec.22];17(9):3867 - 3886. Available from: https://archives.palarch.nl/index.php/jae/article/view/4516