TY - BOOK AU - Moore, Michael TI - Open and distance learning: trends, policy and strategy considerations U1 - 371.35 PY - 2002/// CY - France PB - UNESCO KW - Education KW - Open and distance learning N1 - introduction; challenges and opportunities; the concept of open and distance learning; present trends in open and distance learning; internet usage and web-based education; economics of open and distance learning; UNESCO's initiatives in open and distance learning ER -