TY  - BOOK
AU  - Rangwala, S. C.
TI  - Elements of estimating and costing
U1  - 624 
PY  - 1975///
CY  - Anand
PB  - Charotar
KW  - Digital communication
KW  - Digital electronics
KW  - Telephony switching
N1  - Includes bibliographical references and index
ER  -