SIRKO, Valerii. Financial Planning and Management in a Tattoo Studio: Practical Advice from Valerii Sirko. Emerging Frontiers Library for The American Journal of Management and Economics Innovations, [S. l.], v. 8, n. 01, p. 17–25, 2026. Disponível em: https://emergingsociety.org/index.php/efltajmei/article/view/789. Acesso em: 9 may. 2026.