Subjective Happiness in Slovakia. Reliability and Validity of Measuring Happiness through the Subjective Happiness Scale / Peter Babincak
  Bibliogr.: p. 130-132. - Abstr. eng. - DOI: https://doi.org/10.5708/EJMH.13.2018.2.1
  In: European Journal of Mental Health. - ISSN 1788-4934, eISSN 1788-7119. - 2018. 13. évf. 2. sz., p. 111-132. : ill.