CLARK, J. R.; LEVY, L. S. Software Economics: An Application Of Price Theory To The Development Of Expert Systems. Journal of Applied Business Research (JABR), [S. l.], v. 9, n. 2, p. 14–18, 1993. DOI: 10.19030/jabr.v9i2.6071. Disponível em: https://clutejournals.com/index.php/JABR/article/view/6071. Acesso em: 17 jul. 2024.