Stepanyan, A.Yu., L.S. Stepanyan, and V.H. Grigoryan. 2011. “RESEARCH OF VEGETATIVE MECHANISMS OF NEGATIVE EMOTIONAL STATES’ DEVELOPMENT AND REGULATION AMONG TEENAGERS”. Proceedings of the YSU B: Chemical and Biological Sciences 45 (1 (224):39-43. https://doi.org/10.46991/PYSU:B/2011.45.1.039.