PURI V.K, . (2001). DIGITAL ELECTRONICS CIRCUITS AND SYSTEMS. NEW DELHI: TATA MCGRAW HILL PUB.
PURI V.K, . 2001. DIGITAL ELECTRONICS CIRCUITS AND SYSTEMS. NEW DELHI: TATA MCGRAW HILL PUB.
PURI V.K, . DIGITAL ELECTRONICS CIRCUITS AND SYSTEMS. NEW DELHI: TATA MCGRAW HILL PUB. 2001.
