ZAID, Jamal Dirham Ahmed; AL-ANSI, Tareq Yahya Abdullah. 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. University of Science and Technology Journal for Management and Human Sciences, Sana’a, Yemen, v. 4, n. S1, p. 157–185, 2026. DOI: 10.59222/ustjmhs.4.s1.6. Disponível em: https://journals.ust.edu.ye/USTJMHS/article/view/287. Acesso em: 25 aug. 2026.