TY - GEN AU - VALACICH, JOSEPH S AU - GEORGE, JOEY F ED - HOFFER, JEFFREY A TI - ESSENTIALS OF SYSTEMS ANALYSIS AND DESIGN SN - 978-81-203-4558-4 U1 - 003 PY - 2012/// CY - NEW DELHI PB - PHI LEARNING PRIVATE LIMITED KW - SYSTEM ANALYSIS ER -