Andre, Yulius, and Kartika Gianina Tileng. 2019. “The Website Quality Analysis of Universitas X’s Library Website Using Webqual 4.0 Method and Importance-Performance Analysis (IPA)”. AITI 16 (1). Salatiga, Indonesia.:49-64. https://doi.org/10.24246/aiti.v16i1.49-64.