. (1989). Statistical yearbook / Unesco: Reference tables, education, educational expenditure, science and technology, libraries, book production, newspapers and other periodicals, cultural paper, archives, museums and related institutions, film and cinema, radio and television broadcasting, international trade in printed matter. Paris: Unesco.

Statistical Yearbook / Unesco: Reference Tables, Education, Educational Expenditure, Science and Technology, Libraries, Book Production, Newspapers and Other Periodicals, Cultural Paper, Archives, Museums and Related Institutions, Film and Cinema, Radio and Television Broadcasting, International Trade in Printed Matter. Paris: Unesco, 1989.

Statistical Yearbook / Unesco: Reference Tables, Education, Educational Expenditure, Science and Technology, Libraries, Book Production, Newspapers and Other Periodicals, Cultural Paper, Archives, Museums and Related Institutions, Film and Cinema, Radio and Television Broadcasting, International Trade in Printed Matter. Paris: Unesco, 1989.