Open Science Research Excellence
Anastasia Rita Widiarti,  Comparing Hilditch, Rosenfeld, Zhang-Suen,and Nagendraprasad -Wang-Gupta Thinning.   journal   = {International Journal of Computer, Electrical, Automation, Control and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2011, vol. 54(6). 563 - 567[viewed 21 February 2019]. Available from: http://waset.org/publications/6492.