Hallak, J. (1996). Educational challenges of the 21st century: The vision of quality. UNESCO, Internat. Inst. for Educational Planning.
Chicago Style (17th ed.) CitationHallak, Jacques. Educational Challenges of the 21st Century: The Vision of Quality. Paris: UNESCO, Internat. Inst. for Educational Planning, 1996.
MLA (9th ed.) CitationHallak, Jacques. Educational Challenges of the 21st Century: The Vision of Quality. UNESCO, Internat. Inst. for Educational Planning, 1996.
Warning: These citations may not always be 100% accurate.