PDFs for Oracle Certified Associate..

SQL
http://www.4shared.com/file/30708488/c6cf3727/D33051_Introduction_to_oracle_9i_sql_v1.html
http://www.4shared.com/file/30708585/b9bc21ad/D33052_Introduction_to_oracle_9i_sql_v2.html
http://www.4shared.com/file/30708398/da9b10e3/D33053_introduction_to_oracle_9i_sql_v3.html

PL-SQL
http://www.4shared.com/file/30709197/f11cbe79/D32945Introduction_to_oracle_9i_pl_sql_v1.html
http://www.4shared.com/file/30709227/10aed9eb/D32946Introduction_to_oracle_9i_pl_sql_v2.html
http://www.4shared.com/file/30709236/7eb2d83c/D32947Introduction_to_oracle_9i_pl_sql_v3.html

PL-SQL Orelly Book
http://www.4shared.com/file/30709176/1898a361/OReillyOraclePLSQLProgramming4thEditionAug2005.html

Oracle Complete Reference
http://www.4shared.com/file/30710480/30c0be4a/Oracle9iCompleteReference.html