Ostrovskaya, K., and B. Andreiko. “STATISTICAL RESULTS OF THE EFFECTIVENESS OF THE PROGRAM OF PSYCHOLOGICAL SERVICES FOR PARENTS OF CHILDREN WITH SPECIAL NEEDS IN THE GROUPS OF «MUTUAL ASSISTANCE»”. PSYCHOLOGICAL JOURNAL, vol. 3, no. 5, Oct. 2017, pp. 117-2, doi:10.31108/1.2017.5.9.10.