TY  - GEN
AU  - LAL,G.K.
AU  - SINGH,L. P.
TI  - CHALLENGES OF CHANGE
U1  - 620 
PY  - 1990///
CY  - 
PB  - Tata Mcgraw-Hill, New Delhi
KW  - Engineering -- Cong
N1  - Includes Index
ER  -