Catucci, E. ., and A. Ehrlin. “A Case Study on the Impact of Preschool Teachers’ Habits on Children’s Opportunities for Outdoor Learning”. International Journal of Learning, Teaching and Educational Research, vol. 17, no. 3, Mar. 2018, pp. 65-81, http://www.ijlter.net/index.php/ijlter/article/view/692.