Monshizadeh, R., Mazarzehi, Y., Hosseini Kohnouj, S. R., & Ramezani, L. "Identifying and analyzing the potentials and challenges of tourism development in the Sardoyeh region, Iran", Researches in Earth Sciences, 11, 1, 2020, 237-251. doi: 10.52547/esrj.11.1.237