TY  - BOOK
AU  - Duggal, S. K.
TI  - Building materials
SN  - 9789360741921
U1  - 691 R5D 
PY  - 2025///
CY  - New Delhi
PB  - New Age International
KW  - Civil engineering
N1  - #Dr Kumar Abhishek , Includes index
ER  -