نصائح تخص رسالة التوصية

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2.  Recommendation Letter Request [Internet]. Indiana University of Pennsylvania.edu. 2021[cited 13 August 2021]. Available from: هنا
3.  Requesting Recommendation Letters [Internet]. Purdue Writing Lab - Purdue University. 2021[cited 13 August 2021]. Available from: هنا
4. Bonetta L. Writing a Letter of Recommendation [Internet]. 2nd ed. US.: Howard Hughes Medical Institute and Burroughs Wellcome Fund; 2009 [cited 14 August 2021]. p 3- 19. Available from: هنا