(3deMGJ aj GdecJHI hGdHMK hGdeUGOQ (B/s - (3GdNWjH, eMeO YLGLs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1991)
(3jTJed Ydi cTGaGJ(B.s
(3HHdjhLQGajI (B: (3U(B. 367-370.s
Keywords: (3Yde GdecJHGJs; (3eUGOQ GdeYdheGJs; (3GdHMKs