03:34
مشكلات قياس الاداء
1255 Views
05:30
مقاييس الاداء
1294 Views
04:00
مجالات الاداء
1682 Views
02:36
تقييم الادارة العليا
1956 Views
03:40
LANGUAGE USE & WRITING
1740 Views
13:16
REWRITE SENTENCES
1061 Views
30:17
STRUCTURE
2297 Views
01:56
READING COMPREHENSION &VOCABULARY
1236 Views
01:52
The Form of Irregular Verbs
1247 Views
01:59
The Tense of the Passive Voice
1324 Views
09:31
Changing from Active into Passive
1103 Views
07:20
The Form of the Passive Voice
1315 Views
03:29
What is the Passive Voice?
1351 Views
03:45
The Form of the Active Voice
1311 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1641 Views
03:20
Since vs For
1458 Views
04:50
Have or Has
1272 Views
00:49
Key Words: Present Perfect
2914 Views
09:03
The Use of the Present Perfect
1258 Views
03:08
Meaning and Form
1301 Views
02:40
Writing Formal Letters
1288 Views
03:10
Language Use
1889 Views
09:35
Parallel Structure
1446 Views
04:35
Prepositions of Instruments and Means
1276 Views
03:27
Polite Requests
1349 Views
06:30
May as a Modal of Permission and Request
1328 Views
04:11
Can as a Modal of Permission and Request
1079 Views
02:50
عناصر الاداء
1280 Views
03:45
شركة ستيرن
867 Views
01:15
مقياس القيمة المضافة
1090 Views