Описание системы и программ Щетинина есть в интернете. http://childpsy.ru/lib/articles/id/9493.php#:~:text=%D0%9F%D0%B5%D0%B4%D0%B0%D0%B3%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F%20%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0%20%D0%A9%D0%B5%D1%82%D0%B8%D0%BD%D0%B8%D0%BD%D0%B0%20%D0%BE%D1%81%D0%BD%D0%BE%D0%B2%D1%8B%D0%B2%D0%B0%D0%B5%D1%82%D1%81%D1%8F%20%D0%BD%D0%B0,%D0%BA%20%D0%91%D0%BE%D0%B3%D1%83%2C%20%D0%BB%D1%8E%D0%B1%D0%BE%D0%B2%D1%8C%20%D0%BA%20%D0%A0%D0%BE%D0%B4%D0%B8%D0%BD%D0%B5.&text=%D0%92%D1%82%D0%BE%D1%80%D0%BE%D0%B9%20%D0%BF%D1%80%D0%B8%D0%BD%D1%86%D0%B8%D0%BF%2C%20%D0%BA%D0%BE%D1%82%D0%BE%D1%80%D1%8B%D0%B9%20%D0%BC%D0%BE%D0%B6%D0%BD%D0%BE%20%D1%81%D1%87%D0%B8%D1%82%D0%B0%D1%82%D1%8C,%D0%BE%D1%81%D0%B2%D0%BE%D0%B5%D0%BD%D0%B8%D1%8F%20%D0%B7%D0%BD%D0%B0%D0%BD%D0%B8%D0%B9%20%E2%80%93%20%D1%83%D1%81%D1%82%D1%80%D0%B5%D0%BC%D0%BB%D0%B5%D0%BD%D0%BD%D0%BE%D1%81%D1%82%D1%8C%20%D0%BA%20%D0%BF%D0%BE%D0%B7%D0%BD%D0%B0%D0%BD%D0%B8%D1%8E.Купить что-то можете, ищите ваши локальные группы, они во многих местах есть.