1. ......................
Author: Duckworth, Walter Eric
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Operations research
Classification :
HD
20
.
5
.
D8
1956


2. A guide to operational research
Author: Duckworth, W. E. )Walter Eric(
Library: Library of Mofid University (Qom)
Subject:
Classification :
T
57
.
6
.
D83
1967


3. A guide to operational research
Author: DUCKWORTH,WALTER ERIC
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: OPERATIONS RESEARCH
Classification :
HD
20
.
D8
1965


4. A guide to operational research
Author: Duckworth, Walter Eric
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Operations research
Classification :
T
57
.
6
.
F83
1977


5. A guide to operational research
Author: Duckworth, W. E.)Walter Eric(
Library: Central Library and Documentation Center (Kerman)
Subject: ، Operations research
Classification :
T
57
.
6
.
D83
1977


6. Electro-slag refining
Author: DUCKWORTH,WALTER ERIC
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: ELECTROSLAG PROCESS
Classification :
TN
686
.
5
.
E4
D8


7. Methodes statistiques de la recherche technologique
Author: Duckworth, Walter Eric
Library: Library of College of Science University of Tehran (Tehran)
Subject: ، Engineering -- Statistical methods
Classification :
TA
340
.
D8
1973


8. Statistical techniques in technological research : an aid to research productivity
Author: Duckworth, W. E.)Walter Eric(
Library: Central Library and Documentation Center (Kerman)
Subject: ، Engineering - Statistical methods
Classification :
TA
340
.
D8
1968


9. Statistical techniques in technological research: an aid to research productivity
Author: Duckworth, Walter Eric
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Engineering - Statistical methods
Classification :
TA
340
.
D8


10. Statistical techniques in technological research:an aid to research productivity
Author: Duckworth, Walter Eric
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: Statistical methods ، Engineering
Classification :
TA
340
.
D8

