Grade Komposisi Vitamin A Air Susu Ibu (ASI) Pada Penyimpanan Microkontroler Arduino Nano Dengan Penyimpanan Pada Lemari Pendingin Dan Suhu Ruangan: Comparison Between the Grade of Vitamin A in Breast Milk Stored in Arduino Nano Microcontroller Storage and the One Stored in Refrigerator and Room Temperature. JIK 2020, 14 (2), 100-103. https://doi.org/10.33860/jik.v14i2.172.