TY - GEN L1 - http://pbc.gda.pl/Content/26055/wplyw_wyksztalcenia_rodzicow.pdf L2 - http://pbc.gda.pl/Content/26055 KW - pre-school children KW - physical development KW - development determinants T1 - The effect of parents’ education level on the biological maturity of pre-school children from Stargard Szczeciński in one decada cycle UR - http://pbc.gda.pl/dlibra/publication/edition/26055 ER -