CHAKRABORTY, Ms. Soumi. The Concept of Multi-level Marketing - Ongoing Controversial Financial Practices. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 81–91, 2025. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/115. Acesso em: 24 oct. 2026.