Simonson, Michael R.
Teaching and learning at a distance : foundations of distance education / Michael Simonson ... [et al.]. - 5th ed. - Boston : Allyn & Bacon, c2012. - 383 p xxiv, ill. 23 cm.
9780132487313
2010041781
Distance education.
LC5800 / T43 2012 LANDOVR
371.35 / SMT
Teaching and learning at a distance : foundations of distance education / Michael Simonson ... [et al.]. - 5th ed. - Boston : Allyn & Bacon, c2012. - 383 p xxiv, ill. 23 cm.
9780132487313
2010041781
Distance education.
LC5800 / T43 2012 LANDOVR
371.35 / SMT