Hufnagl, JuliaJuliaHufnagl0009-0008-6374-189X2025-03-062025-03-0620242982-2629https://fis.uni-bamberg.de/handle/uniba/106908engThe Importance of Informal Learning for Sustainable Developmentarticlehttps://www.pimanetwork.com/post/pima-bulletin-no-50