Lumbanraja, Penny Chariti, and Pretty Luci Lumbanraja. “Tinjauan Sistematis : Transformasi Pelayanan Metrologi Di Era Digital (Metrologi Digital4.0)”. Cendekia Niaga 8, no. 2 (December 2, 2024): 119–133. Accessed April 2, 2025. https://jurnal.kemendag.go.id/index.php/JCN/article/view/912.