NAINGGOLAN, R.; HERMES, C. D.; SITINJAK, H. . The Strength Of Evidence Of Invoice Bonus As A Debt Binding Agreement. LEGAL BRIEF, [S. l.], v. 11, n. 5, p. 2852–2856, 2022. DOI: 10.35335/legal.v11i5.709. Disponível em: https://legal.isha.or.id/index.php/legal/article/view/709. Acesso em: 8 aug. 2026.