Karnadi, V. “Prediction of Drug Addiction Level Using Matlab Software Application in Batam : Prediksi Tingkat Kecanduan Terhadap Narkoba Menggunakan Aplikasi Software Matlab Dikota Batam”. International Journal of Technology Vocational Education and Training, Vol. 1, no. 1, July 2020, pp. 55-60, doi:10.46643/ijtvet.v1i1.20.