Alda, Muhamad. “SISTEM INFORMASI PENJUALAN BAN BERBASIS ANDROID PADA EXPRESS BAN”. INTI Nusa Mandiri 14, no. 2 (February 1, 2020): 153-162. Accessed July 4, 2020. http://ejournal.nusamandiri.ac.id/index.php/inti/article/view/1130.