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2by International Conference on Education, 44th session, Geneva, 1994, UNESCO International Bureau of Education, Quisumbing, Lourdes R.programme and meeting document bibliotecaUNESCO
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3by UNESCO/ACEID International Conference on Secondary Education and Youth at the Crossroads, 4th, Bangkok, 1998, UNESCO Principal Regional Office for Asia and the Pacific (Thailand), Asia-Pacific Centre of Educational Innovation for Development, Varavarn, Kasama, Quisumbing, Lourdes R., Baldo, Mariella, Furniss, Elaine, Kakshapati, Nayantaraprogramme and meeting document bibliotecaUNESCO