"batty, c c. "
an introduction to the nineteenth edition of the dewey decim: al classification/ c.c. batty - 1 ed. - uk : clive bingley 1981. - ", 168p.; 22 cm."
0 85157 303 7 hard cover
"classication, dewey decimal - programmed instruction--"
025. 431bat
an introduction to the nineteenth edition of the dewey decim: al classification/ c.c. batty - 1 ed. - uk : clive bingley 1981. - ", 168p.; 22 cm."
0 85157 303 7 hard cover
"classication, dewey decimal - programmed instruction--"
025. 431bat