Gaya APA
El-Sohby, M. A.. (1981).
Activity of Soils .
:
s.n..
Gaya Chicago
El-Sohby, M. A..
Activity of Soils.
:
s.n.,
1981.
Computer Software.
Gaya MLA
El-Sohby, M. A..
Activity of Soils.
:
s.n.,
1981.
Computer Software.
Gaya Turabian
El-Sohby, M. A..
Activity of Soils.
:
s.n.,
1981.
Computer Software.