Penna, C. V.
The planning of library and documentation services / by C. V. Penna ; edited by P. H. Sewell and Herman Liebaers. - 2nd revised and enlarged ed. - Paris : Unesco, c 1970. - 158 p. ; 22 cm. - Unesco manuals for libraries. .
333 333
Library science.
027 / U3p
The planning of library and documentation services / by C. V. Penna ; edited by P. H. Sewell and Herman Liebaers. - 2nd revised and enlarged ed. - Paris : Unesco, c 1970. - 158 p. ; 22 cm. - Unesco manuals for libraries. .
333 333
Library science.
027 / U3p