training and instructional materials in the fields of computer, computing and information services sold in the form of manuals and workbooks

'comput':9,10 'field':7 'form':17 'inform':12 'instruct':3 'manual':19 'materi':4 'servic':13 'sold':14 'train':1 'workbook':21

training and instructional materials in the fields of computers, computing and information services sold in the form of video cassettes

'cassett':20 'comput':9,10 'field':7 'form':17 'inform':12 'instruct':3 'materi':4 'servic':13 'sold':14 'train':1 'video':19

HELP DESK U

Owners