ALIAZKI PRATAMA, Henky; YULISA GENI, Bias. Web-Based POS System to Support Perfume Sales Transactions Using the Waterfall Model: Web-Based POS System to Support Perfume Sales Transactions Using the Waterfall Model. Journal of Information Systems and Technology Research, [S. l.], v. 5, n. 3, p. 343–355, 2026. DOI: 10.55537/jistr.v5i3.1535. Disponível em: https://journal.aira.or.id/jistr/article/view/1535. Acesso em: 7 sep. 2026.