Akbarpoor, H., Mirbaghery, S. & Rafiee, H. 2017. Estimating Isfahan citizens'- willingness to pay for drinking water supplied from agricultural surplus water. Journal of Water and Wastewater, 28 (4), 1-9. (In Persian)
Amir Nejad, H. & Khalilian, S. 2006. The evaluation of existential value of northern forests of iran using contingent valuation method. Journal of Agricultural Sciences and Natural Resources, 13, 144-154. (In Persian)
Boyer, T., Hopkins, M. & Moss, J. 2017. Willingness to pay for reclaimed water: a case study for Oklahoma. Competition for Water Resources, 261-277. doi: 10.1016/B978-0-12-803237-4.00015-X.
Chowdhury, N. T. 1999. Willingness to pay for water in Dhaka slums: A contingent valuation study. IUCN-The World Conservation Union, Association of Green Accounting, Environmental Economics in Bangladesh, 105, 116.
Emami Meybodi, A. & Ghazi, M. 2008. An estimation of the recreational value of the saee park in tehran using the contingent valuation method (CV). Iranian Journal of Economic Research, 12, 187-202. (In Perian)
Fattahi, A. & Fath Zadeh, A. 2011. Protective valuation of catchment area using contingent valuation method (case study: Gomish wetland). Iranian Jornal of Watershed Management Science and Engineering, 5, 47-52. (In Persian)
Genius, M., Hatzaki, E., Kouromichelaki, E., Kouvakis, G., Nikiforaki, S. & Tsagarakis, K. P. 2008. Evaluating consumers’ willingness to pay for improved potable water quality and quantity. Water Resources Management, 22, 1825-1834.
Hadker, N., Sharma, S., David, A. & Muraleedharan, T. 1997. Willingness-to-pay for Borivli national park: evidence from a contingent valuation. Ecological Economics, 21, 105-122.
Hashem Nejad, H., Feizi, M. & Seddigh, M. 2011. Determine the recreational value of Nour forest park (NFP) in Mazandaran, using contingent valuation. Journal of Environmental Studies, 57 (37), 129-136. (In Persian)
Kwak, S.-Y., Yoo, S.-H. & Kim, C.-S. 2013. Measuring the willingness to pay for tap water quality improvements: results of a contingent valuation survey in Pusan. Water, 5(4), 1638-1652.
Molaei, M. 2013. Estimation of conditional valuation models by two-dimensional selection using SUR probit regression models. Iranian Journal of Agricutural Economics and Development Research, 44, 245-258. (In Persian)
Pajooyan, J. & Falihi, N. 2008. Economic valuation of recreational services of environmental resources: Anzali wetland. Economics Research, 8, 147-171. (In Persian)
Paola, V., Mustafa, A. & Giacomo, Z. 2018. Willingness to pay for recreational benefit evaluation in a wastewater reuse project. Analysis of a case study. Water, 10, 922. doi: 10.3390/w10070922.
Rasekhi, S. & Hosseini Taleei, S.R. 2012. Estimation and the determinants factors of willingness to pay for improving the quality of drinking water: case study for Mazandaran province. Applied Economics, 3, 111-140. (In Persian)
Rosado, M. 1998. Willingness to pay for drinking water in urban areasof developing countries, AAEA annual meetings, Salt Lake City, Utah, USA.
Sajjadi, J., Moslemi, A. & Samadi, R. 2016. The evaluation of economic value of tourist areas (case study: Ghasran Roodbar ). Tourism Management, 11, 1-18. (In Persian)
Tussupova, K., Berndtsson, R., Bramryd, T. & Beisenova, R. 2015. Investigating willingness to pay to improve water supply services: application of contingent valuation method. Water, 7, 3024-3039.
Vásquez, W. F., Mozumder, P., Hernández-Arce, J. & Berrens, R. P. 2009. Willingness to pay for safe drinking water: evidence from parral, mexico. Journal of Environmental Management, 90, 3391-3400.
Vo, D. T. & Huynh, K. V. 2017. Estimating residents’ willingness to pay for groundwater protection in the Vietnamese Mekong delta. Applied Water Science, 7, 421-431.