Suominen, Sanni. “Development of a compulsory mathematics online course capable of accommodating the individual needs of students in Finnish vocational upper secondary education: Lectio praecursoria”. Journal of Professional and Vocational Education 26, no. 3 (October 3, 2024): 104–111. Accessed October 28, 2024. https://journal.fi/akakk/article/view/148296.