Y. Kamalifar, M. Zaeimdar, M. M. E. Tehrani, S. A. Jozi, and R. Moogouei, “Developing An Environmental Management Program Model In Rural Tourism Of Khorasan Razavi Province Based On Sustainable Development”, Metall Mater Eng, vol. 30, no. 4, pp. 825–843, Dec. 2024.