Egypt. Ministry of supply & The middle east library for economic services. Decree No. 643 of the year 2013 dated 12/12/2013 regarding the maximum limits of permissible disparity in Weights, Measures, and gauges in case of inspection and hallmarking.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Egypt. Ministry of supply و The middle east library for economic services. Decree No. 643 of the Year 2013 Dated 12/12/2013 Regarding the Maximum Limits of Permissible Disparity in Weights, Measures, and Gauges in Case of Inspection and Hallmarking.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Egypt. Ministry of supply و The middle east library for economic services. Decree No. 643 of the Year 2013 Dated 12/12/2013 Regarding the Maximum Limits of Permissible Disparity in Weights, Measures, and Gauges in Case of Inspection and Hallmarking.