Al-Saydia H, Al-Naser K. The Use of Continue Checking at the Source Technique to Test and Analyze the Variances of Cost Elements. TANRA [Internet]. 2012 Dec. 1 [cited 2025 Sep. 8];34(110):61-8. Available from: https://tanmiyat.uomosul.edu.iq/index.php/tanmiyat/article/view/30166