Karnadi, Very, and Sunarsan Sitohang. “Perancangan Aplikasi Harga Cerdas Berbasis Android”. Prosiding Seminar Nasional Ilmu Sosial dan Teknologi (SNISTEK) 3 (January 27, 2021): 156–161. Accessed April 27, 2024. https://ejournal.upbatam.ac.id/index.php/prosiding/article/view/3637.