00648nam a2200217Ia 4500 CTU_102898 210402s9999 xx 000 0 und d 025.52 K96 Kuhlthau, Carol Collier Seeking meaning : A Process approach to library and information services Carol Collier Kuhlthau Westport, CN LU 2004 Reference services ( libraries ),Information retrieval,Search behavior Case studies United states Minh Trung tâm Học liệu Trường Đại học Cần Thơ