A. M. Ayedh and K. A. A. Al-Qudaimi, “The Impact of Human Capital on Improving Marketing Performance: A Field Study in Yemeni Private Universities in the Capital Municipality of Sana’a”, J Manag HUM Sci, vol. 3, no. 4, pp. 1–37, Dec. 2025, doi: 10.59222/ustjmhs.3.4.1.