Influence Link:
Keith Giffen (b. 1952)
Source:
https://books.google.com.br/books?id=nPk0DwAAQBAJ&pg=PT426&lpg=PT426&dq="joe+abraham"+keith+giffen"+influence&source=bl&ots=VI_PoaLY5F&sig=ACfU3U2SOab708b4DWCSDIU02ZIv4fIxgQ&hl=pt-BR&sa=X&ved=2ahUKEwjC9OHeqanlAhUmLLkGHfomBwkQ6AEwAXoECAkQAQ#v=onepage&q="joe%20abraham"%20keith%20giffen"%20influence&f=false (Book citation)