Safety climate in Estonian nursing homes : a nationwide survey using the NOSACQ-50 questionnaireSepp, Jaana; Järvis, Marina; Reinhold, Karin7th International Conference "Biosystems Engineering 2016": 12-13 May, 2016, Estonia, Tartu : book of abstracts2016 / p. 114 http://www.bse.emu.ee/Book%20of%20Abstracts_2016.pdf