1. Industrial piping. Special chapts? on estimating

Author:

Library: Tehran University, technical faculty libraries 1 (Tehran)

Subject: Pipe lines,Pipe

Classification :
TP
159
.
P5L5
1951

4. Voluntary action and social progress

Author:

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: داوطلبی

Classification :
HV
۴۱
/
ب
۲
و
۸ ۱۳۳۸