00536nam a2200193Ia 4500 230312s9999 xx 000 0 und d eng 004.16 004.16/ANF/035291 Anfinson D. 172306 It Essentials: PC Hardware And Software Companion Guide 3rd Ed. 2008 Pearson Education Pub. 616 Rs. 575.00 QuammeK. 172307 Anfinson D. & Quamme K. 172308 431.25 132458 132458