Zaid JDA, Al-Ansi TYA. Strategic Planning and Its Impact on the Effectiveness of Administrative Decision-Making in Family Businesses: A Case Study of Hail Saeed Anam Family Business Group – Sana’a. J Manag HUM Sci [Internet]. 2026 Aug. 24 [cited 2026 Aug. 25];4(S1):157-85. Available from: https://journals.ust.edu.ye/USTJMHS/article/view/287