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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChua, Celine Fang Ting, Douglas Sheng Hui Wee, Rachel Yan Ting Lim, और Euston Quah Teong Ewe. Economic Valuation of Heritage Sites in Singapore: A Contingent Valuation Method. 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChua, Celine Fang Ting, et al. Economic Valuation of Heritage Sites in Singapore: A Contingent Valuation Method. 2019.
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