FRENZEL, . (2002). COMMUNICATION ELECTRONICS (PRINCIPLES & APPLICATIONS). NEW DELHI: TATA MCGRAW HILL PUB.
FRENZEL, . 2002. COMMUNICATION ELECTRONICS (PRINCIPLES & APPLICATIONS). NEW DELHI: TATA MCGRAW HILL PUB.
FRENZEL, . COMMUNICATION ELECTRONICS (PRINCIPLES & APPLICATIONS). NEW DELHI: TATA MCGRAW HILL PUB. 2002.
