Glen Harvey, and Muhammad Indra. “The Impact of Grammatical Knowledge on Descriptive Essay Writing Skills in High School Students”. L’Geneus : The Journal Language Generations of Intellectual Society 12, no. 3 (December 30, 2023): 81-88. Accessed April 17, 2026. http://ejournal.iocscience.org/index.php/geneus/article/view/4803.