联合早报 (Lianhe Zaobao), 15 March 1987, Page 33
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文献来源： https://eresources.nlb.gov.sg/newspapers/browse/40c1c70e-0d00-4c06-86ff-ba27de2d83d3
文献来源： https://eresources.nlb.gov.sg/newspapers/browse/40c1c70e-0d00-4c06-86ff-ba27de2d83d3