Dwikesumasari, P R, and S Felicia. “SERVQUAL Gap Analysis for Service Development of State-Owned Export–Import Training Services for Small- and Medium Enterprises in East Java, Indonesia”. KnE Social Sciences 3, no. 10 (November 12, 2018). Accessed May 6, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/3359.