diff --git a/admin/modules/bibliography/index.php b/admin/modules/bibliography/index.php
index bc6a52b..747f65a 100755
--- a/admin/modules/bibliography/index.php
+++ b/admin/modules/bibliography/index.php
@@ -202,6 +202,7 @@
       /* UPDATE RECORD MODE */
       // remove input date
       unset($data['input_date']);
+      unset($data['uid']);
       // filter update record ID
       $updateRecordID = (integer)$_POST['updateRecordID'];
       // update data
diff --git a/admin/modules/bibliography/item.php b/admin/modules/bibliography/item.php
index cedf32b..70a802f 100755
--- a/admin/modules/bibliography/item.php
+++ b/admin/modules/bibliography/item.php
@@ -96,6 +96,7 @@
         $data['price'] = preg_replace('@[.,\-a-z ]@i', '', strip_tags($_POST['price']));
         $data['input_date'] = date('Y-m-d H:i:s');
         $data['last_update'] = date('Y-m-d H:i:s');
+        $data['uid'] = $_SESSION['uid'];
 
         // create sql op object
         $sql_op = new simbio_dbop($dbs);
@@ -103,6 +104,7 @@
             /* UPDATE RECORD MODE */
             // remove input date
             unset($data['input_date']);
+            unset($data['uid']);
             // filter update record ID
             $updateRecordID = (integer)$_POST['updateRecordID'];
             // update the data
diff --git a/install/senayan.sql b/install/senayan.sql
index 3669146..da7c055 100755
--- a/install/senayan.sql
+++ b/install/senayan.sql
@@ -296,9 +296,11 @@ CREATE TABLE IF NOT EXISTS `item` (
   `invoice_date` date default NULL,
   `input_date` datetime NOT NULL,
   `last_update` datetime default NULL,
+  `uid` int(11) default NULL,
   PRIMARY KEY  (`item_id`),
   UNIQUE KEY `item_code` (`item_code`),
   KEY `item_references_idx` (`coll_type_id`,`location_id`,`item_status_id`),
+  KEY `uid` (`uid`),
   KEY `biblio_id_idx` (`biblio_id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;
 
diff --git a/install/senayan.sql.php b/install/senayan.sql.php
index 381d012..a6b3011 100755
--- a/install/senayan.sql.php
+++ b/install/senayan.sql.php
@@ -186,9 +186,11 @@
   `invoice_date` date default NULL,
   `input_date` datetime NOT NULL,
   `last_update` datetime default NULL,
+  `uid` int(11) default NULL,
   PRIMARY KEY  (`item_id`),
   UNIQUE KEY `item_code` (`item_code`),
   KEY `item_references_idx` (`coll_type_id`,`location_id`,`item_status_id`),
+  KEY `uid` (`uid`),
   KEY `biblio_id_idx` (`biblio_id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;";
 
diff --git a/upgrade/upgrade_slims7_cendana_x.sql b/upgrade/upgrade_slims7_cendana_x.sql
index 20318c4..62954d2 100644
--- a/upgrade/upgrade_slims7_cendana_x.sql
+++ b/upgrade/upgrade_slims7_cendana_x.sql
@@ -1,2 +1,4 @@
 ALTER TABLE  `biblio` ADD  `uid` INT( 11 ) NULL DEFAULT NULL ,
+ADD INDEX (  `uid` ) ;
+ALTER TABLE  `item` ADD  `uid` INT( 11 ) NULL DEFAULT NULL ,
 ADD INDEX (  `uid` ) ;
\ No newline at end of file