M. Sarhan

发表

Tourism in protected and conserved areas amid the COVID-19 pandemic

S. Mccool, E. Halpenny, R. Naidoo, 2021 .

ECOTOURISM AND PROTECTED AREAS SUSTAINABLE FINANCING: A CASE STUDY OF WADI EL GEMAL VISITOR CENTER

M. Sarhan, Rady T. Tawfik, 2021 .