Comparative evidence on returns to investment in national and international research institutions.

التفاصيل البيبلوغرافية
المؤلف الرئيسي: Evenson, Robert E.
التنسيق: كتاب
اللغة:English
منشور في: College, Laguna Dept. of Agricultural Economics, College of Agriculture, University of the Philippines 1974.
سلاسل:Staff papers series / University of the Philippines. College of Agriculture. Department of Agricultural Economics no.133
الموضوعات: