Ng Kah Hwa, ; Ng, J.: 'From rocket scientists to financial engineers', Engineering Science & Education Journal, 2002, 11, (1), p. 25-28, DOI: 10.1049/esej:20020104
IET Digital Library, https://digital-library.theiet.org/;jsessionid=gr9ao7b7jc7je.x-iet-live-01content/journals/10.1049/esej_20020104