TIMČÁK, Gejza Mikuláš et al.
 Ecological Thinking and Certification of Hotel Service Providers in Slovakia.
<strong>Journal of Environmental Management and Tourism</strong>, [S.l.], v. 7, n. 2, p. 321-326, nov. 2016.
ISSN 2068-7729.
Available at: &lt;<a href="https://journals.aserspublishing.eu/jemt/article/view/338" target="_new">https://journals.aserspublishing.eu/jemt/article/view/338</a>&gt;. Date accessed: 05 nov. 2024.