by Ullrich, Dieter, Marten, Magret
Published in Education sciences (01.03.2016)

by Ullrich, Dieter, Ullrich, Katja, Marten, Magret
Published in Cogent education (01.01.2017)

by Ullrich, Dieter, Ullrich, Katja, Marten, Magret
Published in International journal of language & communication disorders (01.09.2014)

by Marten, Magret, Garve, Percy, Ullrich, Dieter
Published in Praxis Sprache (2019)

by Marten, Magret, Ullrich, Dieter, Garve, Percy
Published in Praxis Sprache (2019)

by Marten, Magret, Garve, Percy, Ullrich, Dieter
Published in Praxis Sprache (2019)

by Marten, Magret, Garve, Percy, Ullrich, Dieter
Published in Praxis Sprache (2016)