Perdana, Indra, Sardjana Orba Manullang, and Fina Amalia Masri. “Effectiveness of Online Grammarly Application in Improving Academic Writing: Review of Experts Experience ”. International journal of social sciences 4, no. 1 (April 25, 2021): 122-130. Accessed July 16, 2024. https://sloap.org/journal/index.php/ijss/article/view/1444.