Lestari, Raja Fitrina, Eka Wisanti, y Lilik Tri Rahayu. «The Effectiveness of Laughter Therapy by Using Wayang Kulit (Shadow Puppets) Video Media to Reduce Elderly Anxiety During The COVID-19 Pandemic». Gaceta Médica de Caracas 130, no. 1 S (junio 2, 2022): S271-S275. Accedido octubre 20, 2024. http://saber.ucv.ve/ojs/index.php/rev_gmc/article/view/23917.