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- [3] The challenges of the 21st century [J]. REVISTA CIENTIFICA-FACULTAD DE CIENCIAS VETERINARIAS, 2002, 12
- [5] Challenges for the 21st century [J]. INTERNATIONAL JOURNAL OF POWDER METALLURGY, 1997, 33 (05): : 45 - &
- [9] The challenges of philosophy for the 21st century [J]. EIKASIA-REVISTA DE FILOSOFIA, 2010, (33): : 41 - 59
- [10] Challenges of IT education in the 21st century [J]. ONLINE INFORMATION REVIEW, 2003, 27 (05) : 368 - 369