Bryson,H. (2024). Challenges facing effectiveness of preparation and implementation of Annual Procurement Plan in procuring entities. Mzumbe University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bryson,H. Challenges Facing Effectiveness of Preparation and Implementation of Annual Procurement Plan in Procuring Entities. Mzumbe University, 2024.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bryson,H. Challenges Facing Effectiveness of Preparation and Implementation of Annual Procurement Plan in Procuring Entities. Mzumbe University, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.