PURNAMASARI, D. M. Analysis Formal and Informal Sector on Lead Acid Battery: A System Dynamics Approach. Journal of Industrial Engineering and Education, [S. l.], v. 1, n. 2, p. 66–82, 2023. Disponível em: https://jiee.bksti.org/index.php/iee/article/view/23. Acesso em: 24 apr. 2026.