Information science Getting Started with Ruby for Professionals [Revised 2] From Language Specifications to Test-Driven Development and Debugging Techniques / Jun Ito 1
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: 単行本(実用) 情報科学 プロを目指す人のためのRuby入門[改訂2版] 言語仕様からテスト駆動開発・デバッグ技法まで / 伊藤淳一