00366nam a2200133Ia 4500003000400000008004100004020002700045040000800072100001800080245007800098260003000176300001400206365001200220LDD181029s9999    xx            000 0 und d  a9780415873000cP 21.99  cLDD  aVai, Marjorie 0aEssentials of online course designba standards-based guidecMarjorie Vai  aNew YorkbRoutledgec2011  axix, 204p  bP 21.99