SIDDAPPA, H. Information Systems on Environmentally Sound and Appropriate Technologies. DESIDOC Journal of Library & Information Technology, [S. l.], v. 19, n. 2, 2003. DOI: 10.14429/djlit.19.2.3468. Disponível em: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/3468. Acesso em: 27 jun. 2025.