Siburian, Sarah Agatha, et al. “TINJAUAN TATA LETAK (LAYOUT) POSTER ANTI NARKOBA BADAN NARKOTIKA NASIONAL PROVINSI SUMATERA UTARA”. Gorga : Jurnal Seni Rupa, vol. 9, no. 1, Jan. 2020, pp. 01-06, doi:10.24114/gr.v9i1.16538.