Pekuwali, A., Kusuma, W. A. and Buono, A. (2018) “Optimization of Spaced K-mer Frequency Feature Extraction using Genetic Algorithms for Metagenome Fragment Classification”, Journal of ICT Research and Applications, 12(2), pp. 123-137. doi: 10.5614/itbj.ict.res.appl.2018.12.2.2.