PT Journal AU Hrdlicka, M TI Mluvnicka poucka osvojena versus naucena pri akvizici cestiny jejim nerodilym mluvcim SO Bohemica Olomucensia PY 2019 BP 122 EP 136 VL 11 IS 2 DI 10.5507/bo.2019.019 DE grammar; Czech for foreigners; grammatical rule; learning; acquisition; communicative method ER