Hasan Hameed A, Annon Mousa E, Abdullah hamad A. Upper Limit Superior and Lower Limit Inferior of Soft Sequences. IJET [Internet]. 2018 Sep. 27 [cited 2024 Nov. 22];7(4.7):306-10. Available from: https://sciencepubco.com/index.php/ijet/article/view/20567