Williams - Osula, K. (2013). A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Williams - Osula, K.O. A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association, 2013.
MLA -ийн эшлэл (9 дэх хэвлэлт)Williams - Osula, K.O. A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association, 2013.
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