Estonian national report on sustainable development 2002Josing, Marje; Liik, Olev; Paadam, Katrin; Pavelson, Marje; Vilu, Raivo2002 https://www.ester.ee/record=b1697827*est

Труды экономического факультетаHalling, Aimar; Raudjärv, Matti; Reisenbuk, Helgi-Annika; Kamratov, Ardo; Sillaste, Juhan; Rääk, V.; Lumiste, Rein; Napa, Karin; Josing, Marje1989 https://www.ester.ee/record=b1248858*est