Karnadi, Very. “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 1, no. 1 (July 3, 2020): 55-60. Accessed May 2, 2026. http://ijtvet.com/index.php/ijtvet/article/view/20.