Letter with attachment The authors remember their meeting with addressee two years ago in Leiden. They invite A.Ershov to participate in a special issue of journal "International Review of Education" devoted to new information technology in education of different countries. Information materials on this issue are attached. Date: 12.08.1985 Original document language: English Authors: Tjeerd Plomp, Donald P. Ely Organizations: Twente Univ. of Technology Addressee: Andrei Petrovich Ershov
