Global Hapkido Association Color Belt ManualHee Kwan Lee, Abdulla Ali Alsaboosi, Sean Pearson · First published 2018 · Latest edition 2019Open the Tome
Global Hapkido Association Color Belt Manual (8th Gup)Sean Pearson, Hee Kwan Lee, Jareth Graves, Abdulla Ali Alsaboosi · First published 2018Open the Tome
