(3LegQI GTYGQ GdYQH ai GdLGgdjI hGdGSdGe (B/ s - (3GdbQTi(B, (3GHhRjO eMeO Hf GHi Gds; (3Ydi eMeO GdHLGhis ([S.N] : (3fgVI eUQ ddWHGYI hGdfTQ hGdJhRjY , s, 1981)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdYUQ GdLGgdis; (3OhGhjf hbUGFOs; (3JGQjN hfbOs; (3GdeLehYGJs