Kilag, Osias Kit, Jason Isaac III Rabi, Berhn Vincent Dosdos, and Barby Enriquez. “A Corpus-Based Analysis of Learners’ Morpho-Syntactic and Spelling Errors in Writing: Case Study of PEGAFI Senior High School Students”. International Multidisciplinary Journal of Research for Innovation, Sustainability, and Excellence (IMJRISE) 1, no. 5 (May 9, 2024): 137–143. Accessed August 24, 2026. https://risejournals.org/index.php/imjrise/article/view/375.