Media type: E-Book Title: Developing textbooks to improve student math learning : empirical evidence from El Salvador Contributor: Maruyama, Takao [VerfasserIn]; Kurosaki, Takashi [VerfasserIn] imprint: Tokyo, Japan: JICA Ogata Sadako Research Institute for Peace and Development, [2021] Published in: JICA Ogata Research Institute working paper ; 217 Extent: 1 Online-Ressource (circa 58 Seiten); Illustrationen Language: English DOI: 10.18884/00001035 Identifier: Keywords: Educational Development ; Math textbook development ; Math learning ; Human Capital and Impact evaluation ; Graue Literatur Origination: Footnote: Access State: Open Access