HITKA, Miloš et al. Bed size, quality sleep and occupational safety: an investigation of students at Slovak universities. In Occupational health and safety - a multi-regional perspective. - London : IntechOpen, 2018. ISBN 978-1-78923-410-7, p. 1-22 [1,67 AH]. APVV-16-0297. Dostupné na internete: <https://www.intechopen.com/books/occupational-health-and-safety-a-multi-regional-perspective/bed-size-quality-sleep-and-occupational-safety-an-investigation-of-students-at-slovak-universities>