Oracle PL/SQL Language Pocket Reference- P5
Oracle PL/SQL Language Pocket Reference- P8
Oracle PL/SQL Language Pocket Reference- P9
Oracle PL/SQL Language Pocket Reference- P10
Oracle PL/SQL Language Pocket Reference- P11
Oracle PL/SQL Language Pocket Reference- P12
Oracle PL/SQL Language Pocket Reference- P13
Oracle PL/SQL Language Pocket Reference- P14