The Kokusei-Sha, 1994
Buku Teks
Kokusei-Sha Corporation , 1986
Buku Teks
Kokusei-Sha Corporation , 1986
Buku Teks
Association of International Education
Maruzen Planning Network, 1991
Buku Referensi
Science and Engineering Research Division in Graduate School of Waseda University : dissertation summaries, 1995
Buku Referensi