Panolong, Kara S. “Error Identification of Written Discourses of English Major Students : An Underpinning for a Program Study”. Asia Pacific Higher Education Research Journal (APHERJ) 1, no. 1 (November 20, 2014). Accessed May 7, 2024. https://po.pnuresearchportal.org/ejournal/index.php/apherj/article/view/83.