What are the materials covered by DOIs?
A. DOIs cover books and journals.
B. DOIs cover texts, images, audio visual materials in digital form.
C. DOIs cover electronically available S & T information.
D. DOIs cover digital format in US and Europe only.
Answer:B
What are the materials covered by DOIs?
A. DOIs cover books and journals. B. DOIs cover texts, images, audio visual materials in digital form. C. DOIs cover electronically available S & T information. D. DOIs cover digital format in US and Europe only.