Tanuwijaya, William, Alexius Bambang Sungkowo, & Francisca Hermawan.
" Analisis kelayakan usaha minuman kopi saji dingin dalam botol “Deadliner Coffee”." <em>Journal of Information System, Applied, Management, Accounting and Research</em> [Online], 5.4 (2021): 731-740. Web.  9 Jul. 2025