%T Preface %A S.A.A. Karim %A M.F.A. Shukur %A C.F. Kait %A H. Soleimani %A H. Sakidin %I Springer Science and Business Media B.V. %P vii %O cited By 0; Conference of 6th International Conference on Fundamental and Applied Sciences, ICFAS 2020 ; Conference Date: 13 July 2021 Through 15 July 2021; Conference Code:270909 %J Springer Proceedings in Complexity %L scholars15521 %D 2021