Vintere, Anna, and Sarmīte Čerņajeva. “CASE STUDY ON THE IMPROVEMENT OF ADULT PROBLEM-SOLVING SKILLS”.
SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 5 (May 21, 2019): 303–311. Accessed April 7, 2025.
https://journals.rta.lv/index.php/SIE/article/view/3909.