00403nam a2200133Ia 4500003000400000008004100004020002700045040000800072100002600080245010700106260003000213300001400243365001200257LDD181029s9999    xx            000 0 und d  a9780415995993cP 26.99  cLDD  aCleveland-Innes, M.F. 0aIntroduction to distance educationbunderstanding teaching and iearning in new ecM.F. Cleveland-Innes  aNew YorkbRoutledgec2010  axi, 281p.  bP 26.99