KUMARI, Ruby; SRIVASTAVA, Ekta. Age and Gender Differences in Happiness of School and College Students. Journal of Neonatal Surgery, Lahore, Pakistan, v. 14, n. 15S, p. 772–776, 2025. DOI: 10.52783/jns.v14.3559. Disponível em: https://jneonatalsurg.com/index.php/jns/article/view/3559. Acesso em: 21 feb. 2026.