Samanman, S.; Daengrot, C.; Hilae, A.; Ma, S.; Sayoh, I.; Masaesai, I.; Sanitt, P.; Binhayeeding, N.; Noitubtim, M.; Yakob, H.; Duerasingmamong, S. A Smart Naked-eye Detection for Fe(III) using Ethanol Extract of Purple Sweet Potato. Asian Health Sci.Tech.Rep. 2023, 31, 1-12.