MONGA, G. S. Covariance Analysis of Manufacturing Establishments of some Countries . Economic Journal of Nepal, [S. l.], v. 8, n. 3, p. 26–32, 1985. DOI: 10.3126/ejon.v8i3.66496. Disponível em: https://nepjol.info/index.php/EJON/article/view/66496. Acesso em: 1 sep. 2024.