EARNEST, Joshua. A Study in Equipment Utilisation and Maintenance in Polytechnics (Gujarat State)-India. Journal of Engineering Education Transformations, [S. l.], p. 9–12, 1990. DOI: 10.16920/jeet/1990/v3i4/114527. Disponível em: https://journaleet.in/index.php/jeet/article/view/749. Acesso em: 5 dec. 2025.