ONUKWUBE HENRY N. Leader Influences on Training Effectiveness of Construction Professionals: The Case of Nigeria. Journal of Construction in Developing Countries, [S. l.], v. 17, n. 2, p. 67–79, 2012. DOI: 10.21315/. Disponível em: https://ejournal.usm.my/jcdc/article/view/jcdc_vol17-no-2-2012_4.. Acesso em: 15 sep. 2026.