Graham, I., Object-Oriented Methods: Principles and Practice (3rd edition), Addison-Wesley, 2001.

面向对象方法：原则和实践(3rdedition)，Addison - Wesley, 2001。

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The social practice of western countries has proved that the principles and methods of social work, oriented by social problems, are suitable and effective for correcting crime.

西方社会实践证明，以社会问题为职业导向的社会工作，其价值理念和方法不仅适用于犯罪矫正问题，而且卓有成效。

youdao

The social practice of western countries has proved that the principles and methods of social work, oriented by social problems, are suitable and effective for correcting crime.

西方社会实践证明，以社会问题为职业导向的社会工作，其价值理念和方法不仅适用于犯罪矫正问题，而且卓有成效。

youdao