1. Andersen, S., Harrison, G. W., Lau, M. I., & Rutström, E. E. (2006). Elicitation using multiple price list formats. Experimental Economics, 9(4), 383–405. https://doi.org/10.1007/s10683-006-7055-6
2. Apergis, N., & Payne, J. E. (2009). Energy consumption and economic growth in Central America: Evidence from a panel cointegration and error correction model. Energy Economics, 31(2), 211–216. https://doi.org/10.1016/J.ENECO.2008.09.002
3. Apergis, N., & Payne, J. E. (2012). Renewable and non-renewable energy consumption-growth nexus: Evidence from a panel error correction model. Energy Economics, 34(3), 733–738. https://doi.org/10.1016/j.eneco.2011.04.007
4. Arrow, K., Solow, R., Portney, P. R., Leamer, E. E., Radner, R., & Schuman, H. (1993). Report of the NOAA panel on contingent valuation. Federal register 58(10). https://edisciplinas.usp.br/pluginfile.php/4473366/mod_folder/intro/Arow_WTP.pdf. Accessed 4 May 2021
5. Berkovec, J., Hausman, J. A., & Rust, J. (1983). Heating system and appliance choice. Massachusetts. https://scholar.google.com/scholar?hl=ko&as_sdt=0%2C5&q=Heating+System+and+Appliance+Choice+&btnG=. Accessed 14 May 2021