RAMADHANIA, Firanti. Strengthening Vocational Competencies and Quality Culture in Small-Scale Food Enterprises: A Case Study of Tofu Production Improvement Using the Six Sigma Approach. Journal of Supply Chain and Entrepreneurship, [S. l.], v. 1, n. 3, p. 111–120, 2025. DOI: 10.64268/josce.v1i3.69. Disponível em: https://www.ejournal.spdfharmony.com/index.php/josce/article/view/69. Acesso em: 16 jan. 2026.