TY - BOOK ED - UNESCO TI - Information and communication technologies in distance education T2 - IITE training materials SN - 5-902116-05-8 PY - 2002/// CY - M. PB - UNESCO Inst. for inform. technologies in education KW - Дистанционное образование KW - RU\NLR\AUTH\661183401 KW - Ч312.31 KW - Ч454(0)763 ER -