Ryokka jumoku shiyō jisseki to juyō keikaku
By: [henshū Hokkaidōritsu Ringyō Shikenjō Ryokkaju Sentā]
Edition: Heisei 12-nendoban
Publisher: Hokkaidōritsu Ringyō Shikenjō Ryokkaju Sentā
Published: 2000
Place of publication: Hokkaidō Bibai-shi
Language: jpn
Number of pages: 64