Webster's new world dectionary of media and communications / Webster's new world dictionary of mathematics / Webster's new world dictionary of the American language / Webster's newworld dictioanry of computer terms / Macmillan dictionary of data communications / Webster's new world dictionary for young readers / Webster's NewWorld dictionary of computer terms Abbreviations and acronyms dictionary of information and communications Kenkyusha's new dictionary of English collocations / Power of media and communication