00714nam a2200217Ia 4500 CTU_135605 210402s9999 xx 000 0 und d 131.10 025.431 B333 Batley, Sue Classification in theory and practice Sue Batley Oxford Chandos 2005 Classification in theory and practice. Classification chemes for general collections. Classification schemes for specialist collections. Classifying electronic resources. Classification Theory and practice Bạch Trúc Trung tâm Học liệu Trường Đại học Cần Thơ