Wiratama, J. and Tobing, F. 2022. Analysis and Design of an Web-Based Ticketing Service Helpdesk at Food and Packaging Machinery Company. Ultima InfoSys : Jurnal Ilmu Sistem Informasi. 13, 1 (Aug. 2022), 19-28. DOI:https://doi.org/https://doi.org/10.31937/si.v13i1.2656.