Fahrudin, T. and Barakbah, A. (2018) “Lyric Text Mining Of Dangdut: Visualizing The Selected Words And Word Pairs Of The Legendary Rhoma Irama’s Dangdut Song In The 1970s Era”, Systemic: Information System and Informatics Journal, 4(2), pp. 9-17. doi: 10.29080/systemic.v4i2.432.