00366nam a2200133 a 450000500170000002000180001708200170003510000180005224500640007026000300013430000270016450000190019170000220021020251203112328.0  a9780415873000  a378.125bVAI  aVai, Marjorie  aEssentials of online course designba standards-based guide  aNew YorkbRoutledgec2011  axviii,204p.c24cm.bPB  aincludes index  aSosulski, Kristen