PB to do with a library management system, is the process I developed in school, everything is useful, in which the error under the guidance of the teacher changes, you can download the study and research or reference!

图书管理与查询系统\bookmanage.pbl
..................\bookmanage.pbt
..................\bookmanage.pbw
..................\datawin.pbl
..................\menu.pbl
..................\window.pbl
..................\data
..................\images
图书管理与查询系统

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