HAMDAN, Hamdan; RAHARDJA, Untung; MUHTAROM, Muhtarom; VALERRY, Adele. Transforming Education Management with Orange Servant Leadership and Happiness Practices. Aptisi Transactions on Technopreneurship (ATT), [S. l.], v. 8, n. 2, p. 741–753, 2026. DOI: 10.34306/att.v8i2.938. Disponível em: https://att.aptisi.or.id/index.php/att/article/view/938. Acesso em: 1 jul. 2026.