Dr. Blackwell. I have been trying to procure you email address from various sources but have so far been unsucessful. Please do respond to this if you have the chance. I have some questions regarding the usage of your photos that are copyrighted for non-profit causes.
Very well explained. Thank you
thank you sir for your videos,very useful indeed
Thanx a lot sir...too good videos...
Dr. Blackwell. I have been trying to procure you email address from various sources but have so far been unsucessful. Please do respond to this if you have the chance. I have some questions regarding the usage of your photos that are copyrighted for non-profit causes.