"Programming languages (Electronic computers)" . . "7つの言語7つの世界" . "Nanatsu no gengo nanatsu no sekai" . "7つの言語7つの世界 : Ruby, Io, Prolog, Scala, Erlang, Clojure, and Haskell" . . "Nanatsu no gengo nanatsu no sekai : Ruby,Io,Prolog,Scala,Erlang,Clojure,and Haskell" . "Seven languages in seven weeks"@ja . "Pragmatic programmers" . "Electronic books" . . "7つの言語 7つの世界 : Ruby, Io, Prolog, Scala, Erlang, Clojure, and Haskell = The pragmatic programmers : Seven languages in seven weeks : a pragmatic guide to learning programming languages" . . . . "7tsu no gengo 7tsu no sekai : Ruby Io Prolog Scala Erlang Clojure and Haskell"@ja . . . "7-tsu no gengo 7-tsu no sekai : Ruby, Io, Prolog, Scala, Erlang, Clojure, and Haskell = The pragmatic programmers : Seven languages in seven weeks : a pragmatic guide to learning programming languages" . "7つの言語7つの世界 : Ruby,Io,Prolog,Scala,Erlang,Clojure,and Haskell" . . . . . "nanatsu no gengo nanatsu no sekai"@ja . . . "Puroguraminguyōgengo." . . "プログラミング用言語" . "COMPUTERS Programming Languages General." . . "Puroguramingu(Konpyūta)." . . "プログラミング(コンピュータ)." . . .