References
- Claésson , V. and Karlsson , C. 1998 . Sexåringars tankar om längtan , Sweden : School of Education and Communication, Jönköping University . [Six‐year‐old children's thoughts about longing]. Unpublished undergraduate senior thesis
- Greaker , E. and Strömberg , A. 1998 . Längtan—sexåringens tankar och funderingar , Sweden : School of Education and Communication, Jönköping University . [Longing—Six‐year‐olds' thoughts and reflections]. Unpublished undergraduate senior thesis
- Holm , O. 1999 . Analyses of longing: Origins, levels, and dimensions. . The Journal of Psychology , 133 : 621 – 630 .