P. Iancu, D. Adamescu, V. Plesu, G. Dinu, C. Arsene, S. Nicola, L. Gorunescu, C. Gheorghe, EMSYS - Human Resources and Payroll Management Integrated Information System, Chemical Engineering Transactions. 29 (2012) 1633-1638. doi:10.3303/CET1229273.