KUMAR, Gulshan. Machinery & Parts Industry of Punjab - An Empirical Analysis of Growth and Productivity. Prabandhan: Indian Journal of Management, [S. l.], v. 4, n. 7, p. 44–52, 2011. DOI: 10.17010/pijom/2011/v4i7/62584. Disponível em: https://www.indianjournalofeconomicsandresearch.com/index.php/pijom/article/view/62584. Acesso em: 22 oct. 2025.