Sir, I must thank you for this invaluable video. I understood all about KS and IS through this. Despite reading multiple books and watching different videos, I was in complete confusion. You have cleared all my doubts. Thank you respected sir. 🙏🙏🙏

Very useful for lis students.

Greatest. To see u sir.thank u sir

Very informative sir, thank you sir...

Thanks! 🇯🇲

Fascinating

Great work sir

obrigado -- brazil.

Couldn't a knowledge society exist within an information society?

thank you sir, for the clear insight. this is very much needed for my report. so thankful!

Thank you sir for the valuable informations❤️ they helped me a lot!

vrry nice....

Very nice sir....thnku sir

Thank you sir