WĄS, Adam; KŁOCZKO-GAJEWSKA, Anna. Education at request – the first thoughts about the Internet system of selected subjects at Faculty of Economic Sciences of Warsaw University of Life Sciences – SGGW. Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, Warszawa, Polska., n. 75, p. 225–241, 2009. DOI: 10.22630/EIOGZ.2009.75.41. Disponível em: https://eiogz.sggw.edu.pl/article/view/8054. Acesso em: 7 nov. 2026.