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https://medic-of-glory.com/2020/04/03/oncall-strategies-%d9%83%d9%8a%d9%81-%d8%aa%d9%83%d9%88%d9%86-%d8%b0%d9%83%d9%8a-%d9%81%d9%8a-%d8%a3%d9%86%d9%83%d9%88%d9%84%d9%83-%d8%9f/
oncall strategies كيف تكون ذكي في أنكولك ؟