Chua, C. F. T., Wee, D. S. H., Lim, R. Y. T., & Quah Teong Ewe, E. (2019). Economic valuation of heritage sites in Singapore: A contingent valuation method.
Chicago Style (17. basım) AtıfChua, Celine Fang Ting, Douglas Sheng Hui Wee, Rachel Yan Ting Lim, ve Euston Quah Teong Ewe. Economic Valuation of Heritage Sites in Singapore: A Contingent Valuation Method. 2019.
MLA (9th ed.) AtıfChua, Celine Fang Ting, et al. Economic Valuation of Heritage Sites in Singapore: A Contingent Valuation Method. 2019.
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