Gigli, A., Melotti, G. and Borrelli, C. 2020. The state of art of nature-based programs in the educational, training, therapeutic, and leisure areas in Italy: conceptual framework and possible categorization of sectors/contexts. Formazione & insegnamento. 18, 1 Tome I (Mar. 2020), 77–91. DOI:https://doi.org/10.7346/-fei-XVIII-01-20_08.