5898
5899
5900
5901
English
Royds-Irmak, D. E.
Beginning scientific English
Tehran
Rahnama
2991-
v.: ill. ; 25 cm.
Reprint orginally of published: London: Nelson, 1975
D. E. Royds-Irmak
، Technical writing
Technical English ، English language
54204/2
.
/824
T
11
.
R73
1992
AU
TI
