Panjaitan ES, Haloho LR. ANALYSIS OF ELECTRONIC PROCUREMENT SYSTEM (SPSE) WEBSITE QUALITY USING WEBQUAL 4. inotek [Internet]. 2021Mar.7 [cited 2024Apr.27];3(1):105-12. Available from: https://proceeding.unpkediri.ac.id/index.php/inotek/article/view/521