0120-1751
0120-1751
S0120-17512018000100087
10.15446/rce.v41n1.57803
Saudi Arabia
Saudi Arabia
00
06
2018
00
06
2018
41
1
87
108
[
1972
10th edn
]
[
2017
46
15
15
7375-89
]
[
1975
]
[
1980
48
3
3
345-56
]
[
1982
155-68
]
[
2000
2
2
102-20
]
[
1991
117-21
]
[
2005
9
2
2
17-30
]
[
1984
3
3
3
191-4
]
[
2013
83
11
11
2507-15
]
[
1986
5
2
2
119-27
]
[
2005
3rd edn
]
[
2010
364
2
2
384-94
]
[
1968
30
4
4
401-10
]
[
1973
41
1
1
87-100
]
[
2011
a
22
7
7
847-56
]
[
2011
b
34
545-66
]
[
1981
12
2
2
133-7
]
[
1985
4
18
18
541-7
]
[
1995
36
1
1
371-5
]
[
1988
44
495-504
]
[
2009
1
1
27-37
]
[
2007
1st edn
]
[
2004
10th edn
]
[
1966
17
2
2
109-28
]
[
1978
7
7
7
673-83
]
[
2014
16
4
4
951-68
]
[
2009
a
29
2
2
205-26
]
[
2009
b
46
1
1
272-83
]
[
2011
141
3
3
1153-60
]
[
1997
2
2
138-48
]