A. Balan. DEZVOLTAREA ECONOMICO-SOCIALĂ DURABILĂ A EUROREGIUNILOR ŞI A ZONELOR TRANSFRONTALIERE (SUSTAINABLE ECONOMIC AND SOCIAL DEVELOPMENT OF EUROREGIONS AND CROSS - BORDER AREAS), page 21-27. Iași, Performantica, (2021)(SILC).
L. Alipranti-Maratou. Families and Family Values in Society and Culture, Information Age Publishing, Charlotte, North Carolina, Vereinigte Staaten, (SILC).(2021)
C. Coppée, and W. Lahaye. Families and Family Values in Society and Culture, Information Age Publishing, Charlotte, North Carolina, Vereinigte Staaten, (SILC).(2021)