المواقع الانجليزية Alison: http://www.alison.com/ Academic Earth: http://academicearth.org/ Coursera: http://www.coursera.org/ Code: http://code.org/ Codecademy: http://www.codecademy.com/ Canvas: https://www.canvas.net/ CK12: http://www.ck12.org/student/ Education Portal: htt...