(3bWha GOHjI (B: s (3OQGSGJ fbOjI ai GdJQGK GdYQHi Mhd JMbjb GdJQGK (B/ s - (3gGQhf (B: (3YHO GdSdGe eMeOs ((3GdbGgQI (B: s (3ecJHI GdSfI (B: s, 1988)
(3GdfSNI Qbe (B(954) (3GgOGA YUGe GdTfWis
(3hgh GdcJGH GdMGOi hGdYTQhf HYO GdeGFI ef GYeGd GdYdGeI YHOGdSdGe eMeO gGQhf (B: (3hgh GdGNjQ ef eUfaGJIs
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdGOH GdYQHis -- (3JGQjN h fbOs