얼마전에 [고구마]의 좁은 책장사이를 돌아다니다 3000원에 건진책. 

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2   If your job is to write a simple disk-based sorting package, you should certainly see how Kernighan and Plauger wrote theirs in Software Tools and Software Tools in Pascal (published in 1976 and 1981, respectively, by Addison-Wesley). 
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CACM  Volume 27 , Issue 4 : programming perls