احصل على هذا : Frascati manual 2002 : proposed standard practice for surveys on research and experimental development : the measurement of scientific and technological activities.

العنوان : Frascati manual 2002 : proposed standard practice for surveys on research and experimental development : the measurement of scientific and technological activities.

رقم الاستدعاء : لا يوجد طلب استدعاء

الحالة : غير معروف