Perreault, Jean M.
Introduction to UDC - 1st ed. - London Clive Bingley 1969 - 111p. 23 cm. - Programmed texts in library and information science .
Classification, Universal decimal
025.432 / PER/1969
Introduction to UDC - 1st ed. - London Clive Bingley 1969 - 111p. 23 cm. - Programmed texts in library and information science .
Classification, Universal decimal
025.432 / PER/1969