000 00546nam a2200193Ia 4500
005 20250619145222.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _a155542306X
_c
_36.75
040 _aMAIN
041 _aEnglish
082 _a374.4
_bVER
100 _aVerduin, John R. and Clark, Thomas A.
245 0 _aDistance education
_b: the foundations of effective practice
260 _aSan Francisco
_b; Jossey-Bass Publishers
_c, 1991
300 _axvi,279p.
650 _aDistance Education
650 _aEducation
942 _cBK
999 _c124519
_d124519