Perreault, Jean M., 1931-2001.
An introduction to UDC [by] Jean M. Perreault. - [Hamden, Conn.] Archon Books [1969] - 111 p. 23 cm. - Programmed texts in library and information science .
0208008780
73007963
Classification, Universal decimal--Programmed instruction.
Z696.U86.P47 1969
An introduction to UDC [by] Jean M. Perreault. - [Hamden, Conn.] Archon Books [1969] - 111 p. 23 cm. - Programmed texts in library and information science .
0208008780
73007963
Classification, Universal decimal--Programmed instruction.
Z696.U86.P47 1969