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 March 11, 2026. https://archive-journals.rtu.lv/sie/article/view/2212.