Santacruz Vallejo SA, Moncada Rangel JA. Perceptions of visitors on the urban green areas of the city of Tulcán. Environmental educational implications. rias [Internet]. 2019 Dec. 27 [cited 2026 May 3];2(2):14-22. Available from: https://rias.unesum.edu.ec/index.php/revista/article/view/45