KHATTA SALSABILLAH, V. Business Investment Feasibility Study Coffeeshop Portable . JURNAL ENGINEERING, [S. l.], v. 15, n. 2, p. 67–71, 2024. DOI: 10.24905/jureng.v15i2.23. Disponível em: https://engineering.upstegal.ac.id/index.php/Jureng/article/view/23. Acesso em: 24 apr. 2025.