Pengaruh terapi self-help group terhadap koping keluarga dengan anak Retardasi mental di SLB-C Kabupaten Sumedang = The influence of self help group therapy toward coping family and children with mental retardation at SLB-C of Sumedang District / Titin Sutini - Titin Sutini, author (Fakultas Ilmu Keperawatan Universitas Indonesia, 2009)