Hoggatt, J. P., & Jack P. Hoggatt; Jon A. Shank. Century 21 Computer keyboarding: Essentials, lessons 1-75. Mason, Ohio: Thomson South-Western,Thomson Learning.

Hoggatt, Jack P., و Jack P. Hoggatt; Jon A. Shank. Century 21 Computer Keyboarding: Essentials, Lessons 1-75. Mason, Ohio: Thomson South-Western,Thomson Learning.

Hoggatt, Jack P., و Jack P. Hoggatt; Jon A. Shank. Century 21 Computer Keyboarding: Essentials, Lessons 1-75. Mason, Ohio: Thomson South-Western,Thomson Learning.