CHOOSRI, P.; KITTIAMORNKUL, N. A Development of a Portable Sugar Measuring Device for Americano Coffee Using The Electrical Conductivity Principle. ECTI Transactions on Electrical Engineering, Electronics, and Communications, [S. l.], v. 24, n. 1, 2026. DOI: 10.37936/ecti-eec.2026241.260873. Disponível em: https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/260873. Acesso em: 29 aug. 2026.