Agus Suprayitno, Eko, Akhmad Setiawan, and Rohman Dijaya. 2018. “Design of Instrumentation in Detecting Blood Sugar Levels With Non-Invasive Technique Base on IoT (Internet of Things)”. International Journal of Engineering & Technology 7 (4.15): 440-42. https://doi.org/10.14419/ijet.v7i4.15.25252.