1. Management of agropastoral systems in a semiarid region
Author: Ungar, E. D.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Arid region ، Agropastoral systems
Classification :
S
494
.
5
.
A47
U55
1990


2. Management of agropastoral systems in a semiarid region
Author: / E.D Ungar
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Agricultural systems--middleeast--computer simulation,Arid regions agriculture--middle east--computer simulation,agropastoral systems --computer simulation,Agricultural systems --computer simulation
Classification :
S494
.
A47
,
U53
1990


3. Management of agropastoral systems in a semiarid region
Author: / E.D. Ungar,Ungar
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Arid regions agriculture,Agropastoral systems -- Management
Classification :
S
613
.
U5
1990

