Hassan, M.B. and Al-Catib, M.B. 2021. 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. 5, 2 (Jan. 2021), 118–103. DOI:https://doi.org/10.26389/AJSRP.M110620.