Kept on Wikipedia:تاريخ علم المواد
من EverybodyWiki Bios & Wiki
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See on Wikipedia : https://ar.wikipedia.org/wiki/%D8%AA%D8%A7%D8%B1%D9%8A%D8%AE %D8%B9%D9%84%D9%85 %D8%A7%D9%84%D9%85%D9%88%D8%A7%D8%AF. Check its history https://ar.everybodywiki.com/Kept on Wikipedia:%D8%AA%D8%A7%D8%B1%D9%8A%D8%AE %D8%B9%D9%84%D9%85 %D8%A7%D9%84%D9%85%D9%88%D8%A7%D8%AF?action=history. |