Queiroz, Rose, et al. “PLANT DIVERSITY AND ENVIRONMENTAL IMPACTS IN HIKING TRAILS LOCATED IN SITES OF COMMUNITY IMPORTANCE (SCI) AT THE ISLANDS OF FLORES AND SAO MIGUEL (AÇORES - PORTUGAL)”. Tourism & Management Studies, Jan. 2012, pp. 1180-4, https://tmstudies.net/index.php/ectms/article/view/322.