Design and Functional Evaluation of a Gui-Based Expense Tracker System Using Python, Tkinter, and MYSQL. International Journal of Latest Technology in Engineering Management & Applied Science, [S. l.], v. 15, n. 5, p. 3330–3354, 2026. DOI: 10.51583/IJLTEMAS.2026.150500271. Disponível em: https://www.ijltemas.in/submission/online/article/view/5055.. Acesso em: 15 jul. 2026.