6. Conducting educational design research

Author:

Library: Library of factualty of psychology and Education (Tehran)

Subject: Instructional systems-Design-Research

Classification :
LB
1028
.
38
.
M3
2012

10. Twentieth-century America

Author:

Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)

Subject: United States--History--20th century

Classification :
E
,
741
,.
R33
,
2000

12. Twentieth-century America: a brief history

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: History -- 02th century ، United States

Classification :
E
741
.
R33
2000