TY JOUR TI Long-term activation of mental activity in the practice of providing social and psychological assistance to a gerontological patient KW psychological care of elderly patients KW prolonged projects KW environmental practices KW the intensification of mental activity KW psychological correction JO Living psychology AU Chupina, V.. AU Tikhonova, N.. AU Popenko, N.. PY 2020 IS 7 PB Ltd Radomir-M+