About: digital textbook

Premodifier: digital
Head noun: textbook

Same concepts
http://dbpedia.org/resource/Digital_textbook

Broader concepts

label	provenance	confidence
online resource	isap:60271781	0.710929
digital book	isap:377843114	0.676026
device	isap:484495475	0.539546
resource	isap:60271785	0.536058
study	isap:358092099	0.529831
tool	isap:383364061	0.520750

Narrower concepts

label	provenance	confidence