TY  - GEN
AU  - Usman Shehzad; Prof Abdul Rehman Khan and shehzad Khan, Advisors
TI  - To Design and Develop a Programmable Intercom System with Parallel Telephones
U1  - PR 1562 
PY  - 2001///
CY  - Rawalpindi
PB  - NUST
N1  - BE Project Reports
ER  -