Ramadhan, Tri, Norma Pravitasari, & Yossi Indrawati Syuhardi.
" Perancangan aplikasi reserved messenger office berbasis java netbeans pada PT Geotechcnical Systemindo." <em>Journal of Information System, Applied, Management, Accounting and Research</em> [Online], 5.4 (2021): 885-889. Web.  6 Jul. 2025