Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development. (1981). Technologies for rural development: Based on an Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development, Brussels, May 1980. The Unesco Press.

Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development. Technologies for Rural Development: Based on an Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development, Brussels, May 1980. Paris: The Unesco Press, 1981.

Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development. Technologies for Rural Development: Based on an Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development, Brussels, May 1980. The Unesco Press, 1981.