unknown. (2020). Barriers to the Effective Implementation of Lean Construction and Assessment for Non-Value Adding (NVA) Activities in The Construction Industry.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)unknown. Barriers to the Effective Implementation of Lean Construction and Assessment for Non-Value Adding (NVA) Activities in The Construction Industry. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)unknown. Barriers to the Effective Implementation of Lean Construction and Assessment for Non-Value Adding (NVA) Activities in The Construction Industry. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.