Pragholapati, Andria, Muliani, Rizki, Imam, Haerul, AND Haryana, Iik. " Effect of Socialization Group Activities Therapy Sociodrama on Loneliness Level For Elderly at Panti Werdha Sosial Tresna and Pemeliharaan Taman Makam Pahlawan Ciparay Kabupaten Bandung" Jurnal Keperawatan Respati Yogyakarta [Online], Volume 7 Number 3 (1 October 2020)