Tam, Angela (2013). "HKIE Awards – Gold medal". Hong Kong Engineer. 41 (5). Hong Kong Institution of Engineers. Archived from the original on 20 January 2018. Retrieved 20 January 2018.
Tam, Angela (2013). "HKIE Awards – Gold medal". Hong Kong Engineer. 41 (5). Hong Kong Institution of Engineers. Archived from the original on 20 January 2018. Retrieved 20 January 2018.