G-Cloud Briefcase - Electronic Archive for Academic Certificates and General Certificates of Education Documents Using Public Private Hyperspace for E-Government Library Services Based on NOSQL Databases. - Mircea Cristian Stana; Nicolae Goga; Constantin Viorel Marian; Ramona Popa; Catalina-Mihaela Vulpe; Cristian Taslitchi (BlackSeaCom, 2021)