Permata, Rianda Rizky, Budi Purwanto, and Wita Juwita Ermawati. “Letter of Apology and Notice of Retraction”. Journal The Winners 22, no. 2 (September 30, 2021). Accessed July 22, 2024. https://journal.binus.ac.id/index.php/winners/article/view/9665.