TY - BOOK AU - Leon, Alexis. AU - Leon, Mathews. TI - Fundamentals of information technology SN - 9788182092457 U1 - 003.55 2 PY - 1999/// CY - New Delhi PB - Vikas Publishing House Pvt Ltd KW - Database management systems KW - Telecommunications KW - Internet and intranets KW - Security ER -