M. Bakri C. Haron, S. Z. Z. Abidin, N. Azmina M. Zamani, and . ., “Visualization of Crime News Sentiment in Facebook”, IJET, vol. 7, no. 4.38, pp. 955–959, Dec. 2018, doi: 10.14419/ijet.v7i4.38.27616.