· Alipour H., Olya H. GT., (2015). Ecological Modernization and Environmental Education: The Case of Turkey. In A. Artal & M. Kozak (Eds.), Destination Competitiveness, the Environment and Sustainability. Oxon: CABI. Doi:10.1079/9781780646978.0112.
· Olya H. GT., Naseri, H., (2014). Atlas of Desert Tourism, Asre Novin, Tehran (In Persian). ISBN: 978-600-7315-11-8.
· Olya H. GT., Jadehgi, M., (2014). Horticulture and Garden Tourism, Asre Novin, Tehran (In Persian). ISBN: 978-600-7315-02-6.
Olya H., (2017) How mass religious tourism affects life satisfaction of the residents. In Seyfi S., & Hall M., Sustainable Tourism Development in Iran. Routledge. (in progress).