TY  - JOUR
A1  - Fihel, A.
A1  - Janicka, A.
A1  - Kloc-Nowak, W.
T1  - The direct and indirect impact of international migration on the population ageing process: A formal analysis and its application to Poland
Y1  - 2018
DO  - 10.4054/DemRes.2018.38.43
VL  - 38
IS  - 43

ER  -