Lee, Li Keat
Lim, Zhen Fei
Gu, Haifeng
Chan, Leo Lai
Litaker, R. Wayne
Tester, Patricia A.
Leaw, Chui Pin
Lim, Po Teen
Funding for this research was provided by:
Ministry of Energy, Science, Technology, Environment and Climate Change (04-01-03-SF1010, UM0042224)
Ministry of Higher Education, Malaysia (IOES-2014C)
Article History
Received: 6 April 2020
Accepted: 19 June 2020
First Online: 9 July 2020
Competing interests
: The authors declare no competing interests.