GAUTAMA, I. Penggunaan Pengungkit dalam Mengembangkan Bisnis. Journal The Winners, [S. l.], v. 4, n. 2, p. 72-77, 2003. DOI: 10.21512/tw.v4i2.3808. Disponível em: https://journal.binus.ac.id/index.php/winners/article/view/3808. Acesso em: 22 nov. 2024.