Surja, S. and Sanjaya, L.S. 2014. Perancangan Sistem Informasi Penjualan, Produksi dan Persediaan pada PT Triwarna Eka Multimedia. ComTech: Computer, Mathematics and Engineering Applications. 5, 2 (Dec. 2014), 983-1000. DOI:https://doi.org/10.21512/comtech.v5i2.2350.