سایت مقالات علمی ایران پیپر، امکان دانلود رایگان مقاله از ساینس دایرکت ، اشپرینگر، تیلور اند فرانسیس و IEEE را فراهم میکند. دانلود مقاله ISI از این 4 پایگاه به صورت کاملاً رایگان و بدون هیچ محدودیتی است.

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