Yu Keping
Democracy in China: Challenge and opportunity
Central Compilation Press, 2015
eBooks
Miner, John B.
The challenge of managing
W.B. Saunders, 1975
Buku Teks SO
The Rise of the middle class in Indonesia : opportunity and challenge
Artikel Jurnal
Challenge to leadership : managing in a changing world
The Conference Board; editor, Edward C. Bursk
The Free Press, 1973
Buku Teks
Perspectives of underground construction: Indonesia opportunity and challenge for domestic contractors
Artikel Jurnal