Chern, Alphonsus (13 August 2015). "Singapore badges of honour". The Straits Times. Archived from the original on 22 October 2020. Retrieved 12 August 2020.
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Chern, Alphonsus (13 August 2015). "Singapore badges of honour". The Straits Times. Archived from the original on 22 October 2020. Retrieved 12 August 2020.