OGRYCZAK, Włodzimierz. Reference Point Method with Importance Weighted Partial Achievements. Journal of Telecommunications and Information Technology, [S. l.], v. 34, n. 4, p. 17–25, 2008. DOI: 10.26636/jtit.2008.4.893. Disponível em: https://jtit.pl/jtit/article/view/893. Acesso em: 20 apr. 2026.