50-State Analysis of Education Policies on Science and Mathematics

Autor:	Blank, Rolf K., Espenshade, Pamela H.
Zdroj:	Educational Evaluation and Policy Analysis, 1988 Dec 01. 10(4), 315-324.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1164173 Zobrazit plný text záznamu