Budi, H. S., W. Pujiasmoro, H. Wijaya, and Y. Yuliyanti. “Analisis Dan Perancangan Sistem E-Marketing Pada PT. Nordic Lift Truck”. ComTech: Computer, Mathematics and Engineering Applications, vol. 4, no. 1, June 2013, pp. 76-90, doi:10.21512/comtech.v4i1.2685.