5 1 50 : export promotion International Trade Center / ITC Primary Author mixed material Geneva ITC 1976 export procedures - series II International Trade Center / ITC Additional Author mixed material Geneva ITC 1981 trade fairs and exhibitions International Trade Center / ITC Additional Author mixed material Geneva ITC 1982 export marketing research International Trade Center / ITC Additional Author mixed material Geneva ITC 1983 a survey of international trends in production and trade International Trade Center / ITC Primary Author mixed material Geneva ITC 1989