(3GdJbhje GdYQHi bHd GdGSdGe hJGQjN ejdGO GdQShd hgLQJg Udi Gddg Ydjg hSde (B/ s - (3eMehO HGTG Gdadcis; (3eMehO UGdM Gdadci (B((3eJQLe(B)s ([S.N] : (3eLeY GdHMhK GdGSdGejI , s, 1969)
Keywords: (3GdSjQI GdfHhjIs; (3GdJGQjN GdGSdGeis; (3gLQI GdQShds