INDRA SUGIARTO08.01.55.0135. 2013. “SISTEM INFORMASI PEMASARAN KERAMIK PADA PT. WIRA KEMENANGAN KERAMINDO SEMARANG BERBASIS WEB”. Information Technology and Telematics 1 (2). https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/1078.