Putri, S. Y. and Firmawati, N. (2022) “Rancang Bangun Pengukur Kadar Gula Darah Non-Invasive Berbasis NodeMCU ESP8266”, Jurnal Fisika Unand, 11(2), pp. 271–277. doi: 10.25077/jfu.11.2.271-277.2022.