http://jsci.khu.ac.ir نشریه علوم دانشگاه خوارزمی - مقالات نشریه - سال 1369 جلد1371 شماره4 Yektaweb Collection - https://yektaweb.com fa 1369/10/11 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1277&sid=1&slc_lang=fa 7 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1276&sid=1&slc_lang=fa 6 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1275&sid=1&slc_lang=fa 5 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1274&sid=1&slc_lang=fa 4 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1273&sid=1&slc_lang=fa 3 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1272&sid=1&slc_lang=fa 2 http://ndea10.khu.ac.ir/jsci/browse.php?a_id=1271&sid=1&slc_lang=fa 1