Al-Nashmi, M. M.; Al-Arwali, M. M. The Impact of Visionary Leadership on Strategic Supremacy: A Field Study on Pharmaceutical Companies Operating in the Capital Municipality of Sana’a, Yemen. J Manag HUM Sci 2023, 1 (3), 121-147. https://doi.org/10.59222/ustjmhs.1.3.5.