Siburian, E., M. A. Budiman, and J. Timanta. “Implementation and Comparison of Berry-Ravindran and Zhu- Takaoka Exact String Matching Algorithms in Indonesian-Batak Toba Dictionary”. Data Science: Journal of Computing and Applied Informatics, vol. 1, no. 1, July 2017, pp. 38-44, doi:10.32734/jocai.v1.i1-67.