Bozhilova, V. (2023) “OPPORTUNITIES FOR FORMAL ADULT EDUCATION AND TRAINING IN BULGARIA – A DISCUSSION ON FLEXIBILITY AND PERMEABILITY OF THE SYSTEM”, KNOWLEDGE - International Journal , 59(2), pp. 135–140. Available at: https://ojs.ikm.mk/index.php/kij/article/view/6196 (Accessed: 13 August 2026).