Khan, N., Nguyen Thuy Van, Amina Imran, Hamad Raza and Huma Sikandar 2021. Ecotourism is the future of alternative tourism for environmental sustainability and natural areas protection. Systematic Literature Review and Meta-Analysis Journal. 1, 2 (Mar. 2021), 99–116. DOI:https://doi.org/10.54480/slrm.v1i2.8.