I prefer the online sources.

I prefer the online sources.

On line of course it is up to date sources

When you write a scientific research, would you prefer to get information through books in the library or online?

Both ways have their strengths & weaknesses - for me I use both (to harness their strengths) as long I'd rigorously researched / literature reviewed everything I need for the research.

Mr. Mohammad Mehdizadeh

Thank you for sharing.

Dr. Joshua O. Ighalo

Thank you for sharing.

Mr. Mohammed Rushdi

Thank you for sharing.

Mr. Ali Al-Hamidan

Thank you for sharing.

Dr. Han Ping Fung

Thanks for sharing

I think getting the information online is the best for me, but in fact the library and books are indispensable.