Helfert, Erich A.
Techniques of financial analysis
Richard D. Irwin, 1977
Buku Teks
Helfert, Erich A.
Techniques of financial analysis
Richard D. Irwin, 1967
Buku Teks
Helfert, Erich A.
Techniques of financial analysis: a guide to value creation
McGraw-Hill/Irwin, 2003
Buku Teks
Helfert, Erich A.
Analisis laporan keuangan = Techniques of financial analysis
Erlangga, 1991
Buku Teks
Helfert, Erich A.
Analisis laporan keuangan = Techniques of financial analysis
Erlangga, 1993
Buku Teks