“EFFECT OF LAUGH THERAPY ON THE STRESS THE ELDERLY AT THE WERDHA BINA BHAKTI NURSING HOME IN 2020 ”. Jurnal Kesehatan STIKes IMC Bintaro 3, no. 1 (March 1, 2020): 26–34. Accessed May 9, 2026. http://jurnal.stikesimcbintaro.ac.id/index.php/djs/article/view/85.