Qualitative Assessment of the 4P Marketing Mix for Modified Resistance Bands in the Indonesian Martial Arts Industry. Journal of Strategic Innovation and Business Management, [S. l.], v. 1, n. 02, p. 1–17, 2025. DOI: 10.54250/. Disponível em: http://journals.i3l.ac.id/index.php/jsibm/article/view/10. Acesso em: 3 jan. 2026.