The Effectiveness of Strategic Planning in Improving the Performance of Industrial Enterprises: A Case Study on Ammouri Complex - Biskra, Algeria. The Arab Journal of Administration, Cairo, v. 39, n. 3, p. 245–252, 2019. DOI: 10.21608/aja.2019.48497. Disponível em: https://ajajournal.org/index.php/aja/article/view/425. Acesso em: 30 apr. 2026.