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

书目详细资料
主要作者: Evenson, Robert E.
格式: 图书
语言:English
出版: College, Laguna Dept. of Agricultural Economics, College of Agriculture, University of the Philippines 1974.
丛编:Staff papers series / University of the Philippines. College of Agriculture. Department of Agricultural Economics no.133
主题: