00882nam a2200193Ia 4500 CTU_222048 210402s9999 xx 000 0 und d 651.5 K12 Kahn, Gilbert Progressive filing Gilbert Kahn, Theodore Yerian, Jeffrey R. Stewart, Jr New York Gregg Division 1969 Contents: Indexing rules; filing procedures and materials; alphabetic correspondence filing; charge and transfre methods; selecting equipment and supplies; numeric correspondence filing; geographic correspondence filing; subject correspondence filing; card filing - vertical and visible; establishing and maintaining filing systems Filing systems,Hệ thống hồ sơ Tô Chánh Trung Trung tâm Học liệu Trường Đại học Cần Thơ