“Kalibrasi Timbangan Elektronik Non-Otomatis Di UPTD Balai Pengujian Dan Sertifikasi Mutu Barang Samarinda”. Progressive Physics Journal 4, no. 2 (December 12, 2023): 276–282. Accessed February 26, 2026. https://jurnal.fmipa.unmul.ac.id/index.php/ppj/article/view/1010.