Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Mahendra Putra, A., Rupiasih, N., & Supardi, I. 2024 Aug 28. Calibration Method for Capacitive Silver Sensor Based on ATmega328 Microcontroller as a Membrane Potential Difference Measuring Instrument. BULETIN FISIKA. [Online] 25:2