Source: https://www.researchgate.net/profile/Diaconasu-Delia-Elena/publication/347458623_REAL_CONVERGENCE_AND_EUROPEAN_INTEGRATION_WITH_FOCUS_ON_THE_NEW_MEMBER_STATES/links/5ffc165845851553a036141b/REAL-CONVERGENCE-AND-EUROPEAN-INTEGRATION-WITH-FOCUS-ON-THE-NEW-MEMBER-STATES.pdf