. (2007). -. (e18094). GEOGRAPHICAL RESEARCH QUARTERLY, 38(6), e18094
. "-" .e18094 , GEOGRAPHICAL RESEARCH QUARTERLY, 38, 6, 2007, e18094.
. (2007). '-', GEOGRAPHICAL RESEARCH QUARTERLY, 38(6), e18094.
, "-," GEOGRAPHICAL RESEARCH QUARTERLY, 38 6 (2007): e18094,
. -. GEOGRAPHICAL RESEARCH QUARTERLY. 2007;38(6):e18094 (In Persian).
