TEF

pre-recorded audio tapes and audio cassettes featuring scholastic teaching programs and containing information on foreign languages, economics, trade, technical matters, namely, engineering; computer programs for teaching foreign languages, economics, trade matters and technical subjects; namely, engineering

printed matter, namely, booklets, brochures, instruction handbooks, guides, printed tests, tests handbooks, answer sheets, testing sheets and newsletters all related to education, foreign language, business management and trade

educational services, namely, conducting seminars and conferences in the fields of education, foreign languages, business management and trade; and educational research

preparing, administering and scoring of standardized tests