Amanattullah, Try, Hilda Widyastuti, and Festy Sari. “Identifikasi Fitur Laptop Beserta Orientasinya Dengan Metode Apriori Dan Lexicon-Based”. Journal of Applied Informatics and Computing 1, no. 2 (December 30, 2017): 33-37. Accessed January 20, 2020. https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/508.