书店书籍销售系统，书籍销售信息管理系统，使用VB语言，简单易懂-Bookstore book sales system, book sales information management system, using VB language, easy to understand

用C语言编写的图书馆管理系统，可以实现图书的查找/借还等。- C language library management system, you can achieve the look book/circulation and so on.