Yayienda, Nibras, and Retno Wigajatri Purnamaningsih. “Quality Assurance of Voltage Measurement in Multifunction Calibrator As Measurement Standard in National Standardization Agency of Indonesia (SNSU – BSN) ”. Jurnal Penelitian Pendidikan IPA 8, no. 3 (July 31, 2022): 1184–1190. Accessed March 29, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1467.