1990 (9)
Low-cost science and technology materials at the senior middle school lower grades level; examples of national institutions of Democratic People's Republic of Korea, People's Republic of China and Brasilia; 1990
Concluding Consultation on the Teaching of Science and Technology in an Interdisciplinary Context; The Teaching of science and technology in an interdisciplinary context, vol. 2; Science and technology education document series; Vol.:38; 1990
Workshop on Issues and Practices in Planning the Quality of Education, IIEP/S.109; Planning the quality of education: the collection and use of data for informed decision-making; 1990
Relevance, balance and integration of the content of general education: achievement, trends and issues; a synthesis; UIE reports; Vol.:1; 1990
Study service in adult education: analysis of an experience; New papers on higher education: studies and research; Vol.:2; 1990
Intergovernmental Conference on Environmental Education; Trends, needs and priorities of environmental education since the Tbilisi Conference: an overview; Environmental education series; Vol.:1; 1990
Upper-secondary agricultural course: a suggested three-year teacher's guide; Studies in technical and vocational education; Vol.:13; 1990
Environmental education: selected activities of UNESCO-UNEP International Environmental Education Programme, 1975-1990; 1990
Environmental education: module for pre-service training of science teachers and supervisors for secondary schools; Environmental education series; Vol.:7; 1990