000			00671nam a2200217Ia 4500
001			33119
005			20250221153200.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a1591581559
100			_aChih-Hsiung Tu
245		0	_aOnline collaborativelearning communities : twenty-one designs to building an online collaborative learning community
260			_aChennai
260			_bRain Tree Publishing
260			_c2005
300			_axiii, 140p
650			_aComputer assisted instruction
650			_aComputer conferencing -- Education
650			_aEducation -- computer conferencing
650			_aInstructional systems -- design
942			_cBK
999			_c48935 _d48935