| Data wydania | Tytuł | Autor |
| 2017 | Children in the family plans of young Koreans - sociological study of Korean students | Juszczyk-Frelkiewicz, Katarzyna |
| 2021 | Contemporary family policy in South Korea : towards the increase of fertility | Juszczyk-Frelkiewicz, Katarzyna |
| 2017 | Fertility in South Korea - from past to present | Juszczyk-Frelkiewicz, Katarzyna |
| 2013 | Importance of the institution of marriage for polish and Slovak students | Juszczyk-Frelkiewicz, Katarzyna |
| 2018 | International divorces in South Korea – demographic characteristics | Juszczyk-Frelkiewicz, Katarzyna |
| 2014 | Kohabitacja w Polsce i na Słowacji : studium socjologiczne w środowiskach studenckich | Juszczyk-Frelkiewicz, Katarzyna |
| 2013 | Kohabitacja w świadomości studentów polskich i słowackich na tle przemian życia rodzinnego : socjologiczne studium porównawcze opinii wybranych środowisk uniwersyteckich | Juszczyk-Frelkiewicz, Katarzyna |
| 2017 | Pozytywne i negatywne aspekty życia w kohabitacji w opinii kobiet i mężczyzn | Juszczyk-Frelkiewicz, Katarzyna |
| 2017 | Religiousness and lifestyles : a sociological study of slovak families | Świątkiewicz, Wojciech; Górny, Andrzej; Juszczyk-Frelkiewicz, Katarzyna |
| 2009 | Stepfather and his Stepson : sociological case study of the Stepfamily | Juszczyk-Frelkiewicz, Katarzyna |
| 2017 | Support for Multicultural Families in South Korea | Juszczyk-Frelkiewicz, Katarzyna |
| 2021 | The end of “Till death do us part”? : determinants for living in a cohabitation union in Spain and Poland | Juszczyk-Frelkiewicz, Katarzyna; Simó-Solsona, Montserrat |
| 2017 | The impact of religious faith on family planning in South Korea | Juszczyk-Frelkiewicz, Katarzyna |
| 2015 | The shape of the contemporary family in Poland and Spain | Juszczyk-Frelkiewicz, Katarzyna; Simo-Solsona, Montserrat |
| 2011 | The Social Need for Cohabitation Relationships : Sociological Approach | Juszczyk-Frelkiewicz, Katarzyna |
| 2018 | Welfare State Support for Families : a Comparative Family Policies Analysis in Poland and Spain | Simó-Solsona, Montserrat; Juszczyk-Frelkiewicz, Katarzyna |