WASET
Nasien, D. , Haron, H. , SophiayatiYuhaniz, S.. "Metaheuristics Methods (GA and ACO) for Minimizing the Length of Freeman Chain Code from Handwritten Isolated Characters". World Academy of Science, Engineering and Technology, Open Science Index 38, International Journal of Computer and Information Engineering, (2010), 4(2), 223 - 228.