PERMATA, R. R.; PURWANTO, B.; ERMAWATI, W. J. Letter of Apology and Notice of Retraction. Journal The Winners, [S. l.], v. 22, n. 2, 2021. Disponível em: https://journal.binus.ac.id/index.php/winners/article/view/9665. Acesso em: 22 jul. 2024.