1. Implementation of Industrial 4.0 Library Based on Mobile using QR-Code. Issue 1 (March 2021) Authors: Lestariningsih, T; Afandi, Y; Kusbandono, H; Syafitri, E M; Winarno, B; Phonistyawati, A; Atmaja, A P; Suhasto, R B I N Journal: Journal of physics Issue: Volume 1845:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗