COLBERT, J. L. DUS An Efficient, Effective Sampling Method. Journal of Applied Business Research (JABR), [S. l.], v. 2, n. 3, p. 1–12, 1986. DOI: 10.19030/jabr.v2i4.6553. Disponível em: https://clutejournals.com/index.php/JABR/article/view/6553. Acesso em: 17 jul. 2024.