TY - JOUR A1 - Nurmi, Jari-Erik A2 - Hirvonen, Riikka A3 - Aunola, Kaisa TI - Motivation and Achievement Beliefs in Elementary School: A Holistic Approach Using Longitudinal Data JF - Unterrichtswissenschaft SN - 0340-4099 PY - 2008 IS - 3 SP - 237 17 DO - 10.3262/UW0803237 UR - https://content-select.com/index.php?id=bib_view&doi=10.3262%2FUW0803237 PB - Beltz Juventa CY - 69469 Weinheim RI - ER -