Penna, C. V.
Planning of library and documentation services C. V. Penna; revised by P. H. Sewell and Herman Liebaers - 2nd ed. - Paris: UNESCO, 1970. - 158p.
pbk
Includes bibliography
eng
Information services
025 / PEP
Planning of library and documentation services C. V. Penna; revised by P. H. Sewell and Herman Liebaers - 2nd ed. - Paris: UNESCO, 1970. - 158p.
pbk
Includes bibliography
eng
Information services
025 / PEP