Forest Kindergarten (Basque Wikipedia)

Robertson, Juliet. (2008). Swedish Forest Kindergartens, Part 1. Creative Star Learning Company.
Robertson, Juliet. (2008). Swedish Forest Kindergartens, Part 2. Creative Star Learning Company.

cudenver.edu

Benefits of Nature for Children's Health. Children Youth and Environments Center for Research and Design, University of Colorado at Denver and Health Sciences Center April 2007.

(Ingelesez) Alcock, Sophie; Ritchie, Jenny. (2018). «Early childhood education in the outdoors in Aotearoa New Zealand» Journal of Outdoor and Environmental Education 21 (1): 77–88. doi:10.1007/s42322-017-0009-y. ISSN 2206-3110..
(Ingelesez) Masters, Jennifer; Grogan, Leanne. (2018-07-03). «A comparative analysis of nature kindergarten programmes in Australia and New Zealand» International Journal of Early Years Education 26 (3): 233–248. doi:10.1080/09669760.2018.1459507. ISSN 0966-9760..
Taylor, A.F; Kuo; Sullivan, W.C. (2001). «Views of Nature and Self Discipline: Evidence from Inner City Children» Journal of Environmental Psychology 21 (1–2): 49–63. doi:10.1006/jevp.2001.0241..

(Ingelesez) Alcock, Sophie; Ritchie, Jenny. (2018). «Early childhood education in the outdoors in Aotearoa New Zealand» Journal of Outdoor and Environmental Education 21 (1): 77–88. doi:10.1007/s42322-017-0009-y. ISSN 2206-3110..

Hawes, Liz. (2012-03-01). «Enviroschools celebrate tenth birthday» New Zealand principal, Mar 2012; v.27 n.1:p.16-17; issn.

Taylor, A.F; Kuo; Sullivan, W.C. (2001). «Views of Nature and Self Discipline: Evidence from Inner City Children» Journal of Environmental Psychology 21 (1–2): 49–63. doi:10.1006/jevp.2001.0241..

(Ingelesez) Masters, Jennifer; Grogan, Leanne. (2018-07-03). «A comparative analysis of nature kindergarten programmes in Australia and New Zealand» International Journal of Early Years Education 26 (3): 233–248. doi:10.1080/09669760.2018.1459507. ISSN 0966-9760..

(Ingelesez) Alcock, Sophie; Ritchie, Jenny. (2018). «Early childhood education in the outdoors in Aotearoa New Zealand» Journal of Outdoor and Environmental Education 21 (1): 77–88. doi:10.1007/s42322-017-0009-y. ISSN 2206-3110..
(Ingelesez) Masters, Jennifer; Grogan, Leanne. (2018-07-03). «A comparative analysis of nature kindergarten programmes in Australia and New Zealand» International Journal of Early Years Education 26 (3): 233–248. doi:10.1080/09669760.2018.1459507. ISSN 0966-9760..