Singh, Sewa .
Colon classification: a select bibliography / - New Delhi : Ess Ess , 1992. - 169p. ;
8170001501
Colon classification
025.435 / SIN/C
Colon classification: a select bibliography / - New Delhi : Ess Ess , 1992. - 169p. ;
8170001501
Colon classification
025.435 / SIN/C