2026. Minimising Scope Creep and Change Requests in Fixed-Price Contracts: ‎The Role of Traditional (Plan-Driven) Project Management in Oil and Gas ‎Construction Projects. Alassema University Scientific Journal. 1, 1 (سبتمبر 2026), 29–38. DOI:https://doi.org/10.26629/ausj.2026.04.