FARIS, S.; SAGALA, L. G.; WIJAYA, E.; ALBERT, A.; HASSIM, A. A. The Impact of Green Knowledge and Servant Leadership on Green Innovation through Green Self-Efficacy in Toba Caldera Geopark. Jurnal Manajemen Bisnis, [S. l.], v. 16, n. 2, p. 480–507, 2025. DOI: 10.18196/mb.v16i2.27847. Disponível em: https://journal.umy.ac.id/index.php/mb/article/view/27847. Acesso em: 1 sep. 2025.