ENGLEBRECHT, Ted D.; DOWIS, W. Brian; COX, Justin S. An Empirical Assist To Determine Whether An Activity Is Engaged In For A Profit. Journal of Applied Business Research, [S. l.], v. 33, n. 4, 2017. Disponível em: https://journals.klalliance.org/index.php/JABR/article/view/382. Acesso em: 16 sep. 2025.