د شمس الدین اسماعيل محمد نور عثمان; د ابتسام محمد احمد مدني. Strategic planning and its impact on the performance of business organization In accordance to shikan Insurance Company system. White Nile Journal for Studies and Research, [S. l.], n. 24, p. 72–90, 2024. DOI: 10.67135/wnj.2024.2404. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/28. Acesso em: 19 aug. 2026.