Choi Shing Kwok | 29/04/2005
Singapore. Ministry of Information, Communications and the Arts
Choi Shing Kwok | 18/08/2012
Singapore. Ministry of the Environment and Water Resources
Choi Shing Kwok | 03/04/2013
Choi Shing Kwok | 02/10/2013
Choi Shing Kwok | 09/01/2014
Choi Shing Kwok | 04/06/2014
Choi Shing Kwok | 19/11/2014
Choi Shing Kwok | 15/04/2015
Choi Shing Kwok | 04/06/2015
Choi Shing Kwok | 30/06/2015
Choi Shing Kwok | 21/07/2015
Choi Shing Kwok | 02/09/2015
Choi Shing Kwok | 09/03/2016
Choi Shing Kwok | 08/11/2016
Choi Shing Kwok | 29/11/2016