TY - GEN AU - Young, Michael AU - Halper, Ira AU - Scheftner, William AU - Fawcet, Jan TI - Item-response theory evaluation of the beck hopelessness scale KW - Psicologia Clinica / Psicopatologia KW - 0220 - DepĆ³sito de Retaguarda UR - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/dr.htm ER -