by Kourea, Lefki, Papanastasiou, Elena C., Diaconescu, Liliana Veronica, Popa-Velea, Ovidiu
Published in Frontiers in psychology (10.10.2023)

by Kourea, Lefki, Christodoulidou, Panayiota, Fella, Argyro
Published in European journal of psychology open (01.11.2021)

by Kourea, Lefki, Gibson, Lenwood, Lovelace, Temple S.
Published in Behavior and social issues (31.05.2023)

by Kourea, Lefki, Phtiaka, Helen
Published in Exceptionality : the official journal of the Division for Research of the Council for Exceptional Children (20.10.2023)

by Cartledge, Gwendolyn, Kourea, Lefki
Published in Exceptional children (01.04.2008)

by Kourea, Lefki, Konrad, Moira, Kazolia, Theodosia
Published in Education & treatment of children (01.02.2019)

by Kourea, Lefki, Gibson, Lenwood, Werunga, Robai
Published in Intervention in school and clinic (01.01.2018)

by Collins, Belva C
Published in Brookes Publishing Company (2023)

by Kourea, Lefki, Lo, Ya-yu
Published in International journal of research & method in education (01.10.2016)

by Gladney, Deondra, Lo, Ya-yu, Kourea, Lefki, Johnson, Holly N.
Published in Preventing school failure (01.01.2021)

by Kourea, Lefki, Lo, Ya-yu, Owens, Tosha L.
Published in Behavioral disorders (01.08.2016)

by Keenan, Mickey, Dillenburger, Karola, Konrad, Marie-Hélène, Debetencourt, Natacha, Vuksan, Rea, Kourea, Lefki, Pancocha, Karel, Kingsdorf, Sheri, Brandtberg, Henriette Juul, Ozkan, Nursel, Abdelnour, Helene, Da Costa-Meranda, Magali, Schuldt, Steffi, Mellon, Robert, Herman, Alexandra, Tennyson, Alan, Ayvazo, Shiri, Moderato, Paolo, Attard, Natasha, Schenk, Jacqueline, Budzinska, Anna, Virues-Ortega, Javier, Roll-Pettersson, Lise, Strömberg, Dag, Wirth, Silja, Escané, Charlotte, Glaus-Stuessi, Erika, Moskalets, Alla, Gallagher, Stephen
Published in Behavior analysis in practice (01.09.2023)

by Keenan, Mickey, Dillenburger, Karola, Konrad, Marie-Hélène, Debetencourt, Natacha, Vuksan, Rea, Kourea, Lefki, Pancocha, Karel, Kingsdorf, Sheri, Brandtberg, Henriette Juul, Ozkan, Nursel, Abdelnour, Helene, Da Costa-Meranda, Magali, Schuldt, Steffi, Mellon, Robert, Herman, Alexandra, Tennyson, Alan, Ayvazo, Shiri, Moderato, Paolo, Attard, Natasha, Schenk, Jacqueline, Budzinska, Anna, Virues-Ortega, Javier, Roll-Pettersson, Lise, Strömberg, Dag, Wirth, Silja, Escané, Charlotte, Glaus-Stuessi, Erika, Moskalets, Alla, Gallagher, Stephen
Published in Behavior analysis in practice (01.09.2023)

by Lo, Ya-yu, Kourea, Lefki, Werunga, Robai N., Owens, Tosha Lynn, Collins, Belva
Published in Preventing school failure (01.01.2021)

by Yurick, Amanda, Cartledge, Gwendolyn, Kourea, Lefki, Keyes, Starr
Published in Remedial and special education (01.03.2012)

by Kourea, Lefki, Cartledge, Gwendolyn, Musti-Rao, Shobana
Published in Remedial and special education (01.03.2007)

by Gyovai, Lisa Klett, Cartledge, Gwendolyn, Kourea, Lefki, Yurick, Amanda, Gibson, Lenwood
Published in Learning disability quarterly (01.08.2009)

by Cartledge, Gwendolyn, Yurick, Amanda, Singh, Angella Harjani, Keyes, Starr E., Kourea, Lefki
Published in Exceptionality : the official journal of the Division for Research of the Council for Exceptional Children (01.01.2011)