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First Author:
 
Hooi Hooi Lean
Universiti Sains Malaysia
learnmy@gmail.com
 
Universiti Sains Malaysia, Universiti Sains Malaysia
USM, 11800, Malaysia
 
604-6532663(Phone)
604-6532663(Fax)
https://hooilean.wordpress.com/

Second Author:

Chi Dong
Hebei University
dongchi30@163.com
 
 
 
 

Third Author:

Zamri Ahmad
Universiti Sains Malaysia
zahmad@usm.my