TY  - BOOK
AU  - Tupkary, R.H.
TI  - Science and technology of progress
SN  - 9789354933592
U1  - 303.483 R1T 
PY  - 1921///
CY  - Maharashtra
PB  - Tupkary publication
KW  - Science and technology
N1  - Includes index
ER  -