Yagi, Kuniyuki

Keiji hōgaku no shintenkai

Keiji hōgaku no shintenkai

2009

Hanrei Keihō yōron

Hanrei Keihō yōron

2000

Keiji hōgaku no gendaiteki ten

Keiji hōgaku no gendaiteki tenkai

1992

Shinpa keihogaku no gendaiteki

Shinpa keihogaku no gendaiteki tenkai

1991

Hanrei nōto Keihō

Hanrei nōto Keihō

1983