Is Government Capital Expenditure Productive? Evidence from Nigerian Manufacturing Sector (1971-2012). Journal of Educational and Social Research, London, U.K., v. 4, n. 5, p. 143, 2014. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/4402.. Acesso em: 5 may. 2024.