Kawatra, P S
Textbook of information science - New Delhi: APH, 2000 - viii, 323p
Includes index
eng
81-7648-163-7
Information science
020 / KAT
Textbook of information science - New Delhi: APH, 2000 - viii, 323p
Includes index
eng
81-7648-163-7
Information science
020 / KAT