Kostelecká, Yvona, and Antonín Jančařík. “THE PROCESS OF CZECH LANGUAGE ACQUISITION BY FOREIGN PUPILS AT LOWER SECONDARY SCHOOL”. Journal on Efficiency and Responsibility in Education and Science 7, no. 1 (March 31, 2014): 7-13. Accessed July 24, 2021. https://www.eriesjournal.com/index.php/eries/article/view/97.