TY  - BOOK
AU  - Schwab, Klaus
TI  - Chauthi audhyogic kranti
SN  - 9789352664696
U1  - 338.064 21st
PY  - 2017///
CY  - New Delhi
PB  - Prabhat prakasan
KW  - TECHNOLOGICAL INNOVATION; TECHNICAL CIVILIZATION
ER  -