computer software for use in databasing applications and instructional manuals, audio cassettes, video discs, digitized video and audio discs compact disc random operating memory units, multimedia discs all sold as a unit featuring information on history, social science and geography in the field of interactive education

'applic':7 'audio':11,18 'cassett':12 'compact':20 'comput':1 'databas':6 'digit':15 'disc':14,19,21,27 'educ':46 'featur':33 'field':43 'geographi':40 'histori':36 'inform':34 'instruct':9 'interact':45 'manual':10 'memori':24 'multimedia':26 'oper':23 'random':22 'scienc':38 'social':37 'softwar':2 'sold':29 'unit':25,32 'use':4 'video':13,16

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