Abd aldjaber IBRAHIM Alsammak, M. et al. 2020. Adoption of Membership Level for Critical Activities In Knowledge Chain Model Building An Investigation Analytical Study Depending on Fuzzy Logic Architecture for Organizations Pushed by Knowledge. Finance and Business Economies Review. 4, 2 (Jun. 2020), 42–66. DOI:https://doi.org/10.58205/fber.v4i3.1404.