PURWANTO, Purwanto. Manajemen Strategik (Suatu Pendekatan Integratif). Efisiensi : Kajian Ilmu Administrasi, [S. l.], v. 3, n. 1, 2015. DOI: 10.21831/efisiensi.v3i1.3790. Disponível em: https://journal.uny.ac.id/index.php/efisiensi/article/view/3790. Acesso em: 9 may. 2025.