Ilieva-Trichkova, Petya, and Pepka Boyadjieva. “Bounded Advantages of Higher Education Regarding Young adults’ Participation in Nonformal Education”. European Journal for Research on the Education and Learning of Adults 15, no. 2 (May 3, 2024). Accessed November 21, 2024. https://rela.ep.liu.se/article/view/4433.