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دليل المستخدم
Abd Alaal، M. A. S.، و Rigg، B. (1982). The Development of Methods for the Use of Data from Photoelectric Tristimulus Colorimeters to Calculate the Concentration Changes Required To Correct Off-Shade Dyeings (رسالة دكتوراه غير منشورة). University of Bradford، برادفورد. مسترجع من http://search.mandumah.com/Record/607450
Abd Alaal، Mohmed Al Shiekh، و B. Rigg. "The Development of Methods for the Use of Data From Photoelectric Tristimulus Colorimeters to Calculate the Concentration Changes Required To Correct Off-Shade Dyeings" رسالة دكتوراه. University of Bradford، برادفورد، 1982. مسترجع من http://search.mandumah.com/Record/607450