Tarigan Y, Na’im A, Martha Devano A. Analysis of HNI Website Service Quality Using Webqual 4.0 and Importance-performance Analysis (IPA) Methods in Sei Beduk District, Batam City. KSS [Internet]. 2024 Aug. 29 [cited 2025 Feb. 6];9(25):126–146. Available from: http://thrillriftranks.com/index.php/KnE-Social/article/view/16956