PELLIKKA, Anne; KIUTTU, Mikko. Ympäristökasvatusta Rokua Geoparkissa. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 3, n. 6, p. 838–855, 2015. DOI: 10.31129/lumat.v3i6.1003. Disponível em: https://journals.helsinki.fi/lumat/article/view/1003. Acesso em: 4 dec. 2024.