Lestari, R. F., Wisanti, E., & Rahayu, L. T. (2022). 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(1 S), S271-S275. Recuperado a partir de http://190.169.30.62/ojs/index.php/rev_gmc/article/view/23917