Isański, J., M. Michalski, K. Szwarc, and R. Seredyńska-Abou Eid. “Fertility Potential and Child Benefits Questioned: Polish Migration in the UK and Changes of Family Policies in Poland”. Migration Letters, vol. 18, no. 4, July 2021, pp. 381-99, doi:10.59670/ml.v18i4.1165.