Textbooks and achievement
Subtitle: what we know
By: prepared by Stephen P. Heyneman, Joseph P. Farrell, Manuel A. Sepulveda-Stuardo.
Contributors: Farrell, Joseph P.; Sepulveda-Stuardo, Manuel A.
Series: Staff working paper / World Bank -- no.298
Publisher: World Bank
Published: 1978
Place of publication: Washington D.C
Language: eng