SINGH, A. K.; KUMAR, R. Correlates of Professional Obsolescence among Researchers. Defence Science Journal, [S. l.], v. 69, n. 6, p. 557–563, 2019. DOI: 10.14429/dsj.69.15043. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/15043. Acesso em: 15 sep. 2025.