00761cam a22002298a 4500003000900000005001700009008004100026020001800067040001800085050001900103245011000122250001200232260003600244300002900280504005100309650002400360700002500384700002200409700002300431700001900454856005800473KE-MeUCS20150603152416.0080128s2009    mau      b    001 0 eng    a9780135137765  aDLCcDLCdDLC00aLC5800.T4 200900aTeaching and learning at a distance :bfoundations of distance education /cMichael Simonson ... [et al].  a4th ed.  aBoston :bAllyn & Bacon,c2009.  axix, 374p.bill,c24 cm.  aIncludes bibliographical references and index. 0aDistance education.1 aSimonson, Michael R.1 aSmaldino, Sharon.1 aAlbright, Michael.1 aZvacek, Susan.41uhttp://www.loc.gov/catdir/toc/ecip089/2008003802.html