2021. Interface Effectiveness (IE), Confidence In System (CS), Effectiveness Of Use (EU), And Demographic Elements Towards The Intention To Use Pustaka Negeri Sarawak E-Services (Library -Services). Journal of Entrepreneurship and Business. 7, 2 (Jul. 2021), 55–69. DOI:https://doi.org/10.17687/jeb.v7i2.461.