Singh,K P.
UDC: a manual for classification practical and information resources/ - New Delhi: Today & tomoroow's , 2013. - 389p.;
9788170194682
UDC
025.432 / SIN-U
UDC: a manual for classification practical and information resources/ - New Delhi: Today & tomoroow's , 2013. - 389p.;
9788170194682
UDC
025.432 / SIN-U