Mesic, V.
(2011).
 Modeling the Discrimination Power of Physics Items.
<em>European Journal Of Physics Education, 2</em>(3), 5-19.
Retrieved from <a href="https://eu-journal.org/index.php/EJPE/article/view/141" target="_new">https://eu-journal.org/index.php/EJPE/article/view/141</a>