[1]
Modrzejewska-Świgulska, M. and Chmielińska, A. 2018. Obstacles at the Work of Teachers and Innovators Based on the Results of Educational Research. Elementary Education in Theory and Practice. 13, 2(48) (Jul. 2018), 13-26. DOI:https://doi.org/10.35765/eetp.2016.1348.01.