RAY, ACHARYA, . (2004). INFORMATION TECHNOLOGY PRINCIPLES & APPLICATIONS. NEW DELHI: PHI LEARNING PUB.
RAY, ACHARYA, . 2004. INFORMATION TECHNOLOGY PRINCIPLES & APPLICATIONS. NEW DELHI: PHI LEARNING PUB.
RAY, ACHARYA, . INFORMATION TECHNOLOGY PRINCIPLES & APPLICATIONS. NEW DELHI: PHI LEARNING PUB. 2004.
