Andung Jati Nugroho, and Muhamad Syaifudin. “ANALISA KELAYAKAN USAHA AIR MINUM ISI ULANG DENGAN MEMPERHITUNGKAN KELAYAKAN FINANSIAL: PADA PENGISIAN ULANG AIR MINUM HASIM RO”. Jurnal Cakrawala Ilmiah 2, no. 10 (June 23, 2023): 3845–3858. Accessed August 16, 2025. https://www.bajangjournal.com/index.php/JCI/article/view/5848.