BUBOU, G. M.; AMADI-ECHENDU, J. E. AN ASSESSMENT OF THE INNOVATIVENESS OF FIRMS IN NIGERIA’S PETROLEUM SECTOR. The South African Journal of Industrial Engineering, [S. l.], v. 29, n. 4, p. 65–81, 2018. DOI: 10.7166/29-4-1881. Disponível em: http://sajie.journals.ac.za/pub/article/view/1881. Acesso em: 15 apr. 2024.