S. Rusdiana, A. Rusyana, Juwita, M. Putri, A. Rafiki, and S. Das, “Non-Contact Multispectral Image Binary Classification of Water and Sodium Hydroxide Solutions Using Convolutional Neural Networks”, j.electron.electromedical.eng.med.inform, vol. 8, no. 3, pp. 1184-1203, Jul. 2026.