Agustiono, W., N. Prastiti, and Z. O. Erlinda. “The Combination of WebQual 4.0, LibQual, and Importance Performance Analysis for Evaluating the Quality of the Universitas Trunojoyo Madura Library Website”. Berkala Ilmu Perpustakaan Dan Informasi, Vol. 21, no. 1, June 2025, pp. 30-45, doi:10.22146/bip.v21i1.11854.