Bastarz, Clarice, and Marcelino de Souza. “Social and Economic Impacts of Walks in Nature for Farmers in the Territory of Vale Do Ivaí, Paraná, Brazil”. Journal of Tourism & Development 1, no. 27/28 (January 1, 2017): 1893-1903. Accessed May 18, 2024. https://proa.ua.pt/index.php/rtd/article/view/10311.