Kirakosyan, A., Movsesyan, A., & Aroutiounian, R. (2022). SURVEYS OF PARENTS OF CHILDREN WITH OLIGOPHRENIA IN ARMENIA IN VIEW OF THE IMPACT OF ENVIRONMENTAL FACTORS. Proceedings of the YSU B: Chemical and Biological Sciences, 46(3 (229). https://doi.org/10.46991/PYSU:B/2012.45.3.050