SUYONO, Suyono. The Impact of Laughter Therapy on Heads of Division and Sub Division of Unesa. The Indonesian Journal of Social Studies, [S. l.], v. 4, n. 1, p. 79–84, 2021. DOI: 10.26740/ijss.v4n1.p79-84. Disponível em: https://journal.unesa.ac.id/index.php/jpips/article/view/11339. Acesso em: 29 jun. 2025.