(3JaSjQGdfSGFi ddGeGe GMeO Hf TYjH Hf Ydi GdfSGFi UGMH GdSff GdeJhai (B- 303 (3g` L(B1 / s - (3UHQi Hf YHOGdNGdbs; (3SjO Hf YHGS GdLdjei (B((3JMbjb(B)s; (3GdfSGFi (B: (3GHh YHOGdQMef GMeO Hf Ydi Hf TYjH Ydi Hf SfGf Sf YeQ Hf Hf OjfGQs ([S.N] : (3ecJHI GdTHGH , s, 1990)
Keywords: (3JaSjQ GdbQGf GdcQjes