TY  - BOOK
AU  - Timckoo, Shama.
TI  - AutoCAD 2021: a problem solving-approach, basic and intermediate.
SN  - 9781640570917
AV  - TA385 tic 2020 
PY  - 2020///
CY  - Indiana
PB  - CADIM Technologies
KW  - AutoCAD
N1  - Includes index
ER  -