Dessy Ayuningtyas, Julia Ari Santi, Arifatur Rizal, and Nurul Mawaddah. 2019. “EFEKTIFITAS LAUGHING THERAPY DAN RELAKSASI OTOT TERHADAP STRES LANSIA DI PANTI WERDHA MAJAPAHIT”. MEDICA MAJAPAHIT 9 (2). https://ejournal.stikesmajapahit.ac.id/index.php/MM/article/view/271.