Sembiring JO, Ginting W. Sistem Informasi Penjualan Barang dan Jasa pada Studio Photo Topaz Hexagon Medan Berbasis Web. MEANS [Internet]. 2018Jan.11 [cited 2024Apr.25];2(2):153-60. Available from: https://ejournal.ust.ac.id/index.php/Jurnal_Means/article/view/153