Lita, Lita, Abdurrahman Hamid, y Riski Syntia Ayu. 2022. «A Comparative Study of Loneliness in Older Adults Based on Place of Residence in Indonesia». Gaceta Médica De Caracas 130 (1 S):S245-S250. http://caelum.ucv.ve/ojs/index.php/rev_gmc/article/view/23913.