The e-learning handbook : past promises, present challenges
editors, Saul Carliner, Patti Shank
Pfeiffer, 2008
Buku Referensi
Econophysics : Challenges and promises - An Observation-based approach
Artikel Jurnal
Linneaus's legacy : Systematic Challenges, Past and Present
Artikel Jurnal
Henry, David D
Challenges past, challenges present: an analysis of American higher education since 1930
Jossey-Bass Publishers, 1975
Buku Teks
Staff development in academic libraries: present practice and future challenges
edited by Margaret Oldroyd
Library Association , 1997
Buku Teks