Enhancement of the Ecotourism Efficiency in the Republic of Uzbekistan: Experience of the Developed Countries: Peningkatan Efisiensi Ekowisata Di Republik Uzbekistan: Pengalaman Negara-Negara Maju. ijler 2019, 3, 10.21070/ijler.2019.V3.19. https://doi.org/10.21070/ijler.2019.V3.19.