Licardo, Marta, in Majda Schmidt Krajnc. „Structural Differences in the Self-Determination of Upper Secondary Students With and Without Disabilities in Vocational Education“. Revija Za Elementarno izobraževanje, let. 9, št. 3, junij 2016, str. 35-52, https://old.journals.um.si/index.php/education/article/view/349.