HASSAN, Mahamat Boukhari; AL-CATIB, Mahamat Bachar. The impact of planning on developing human resources performance - An applied study on Al-Manna Trading, Investment, Contracting and Building Company 2020 –. Journal of Economic, Administrative and Legal Sciences, New Mexico, United States, v. 5, n. 2, p. 118–103, 2021. DOI: 10.26389/AJSRP.M110620. Disponível em: https://ajsrp.ojsexpert.com/index.php/jeals/article/view/3230. Acesso em: 20 dec. 2025.