(3NUGFU GdeLJeYGJ GdRQGYjI ai Ohd GdNdjL GdYQHjI (B/ s - (3SjO GMeO (B: (3ZQjH eMeOs ((3GdQjGV (B: s (3GdeQcR GdYQHi ddOQGSGJ GdGefjI hGdJOQjH (B: s, 1991)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI (B((3U (B239-240)s
Keywords: (3GdRQGYIs -- (3GdNdjL GdYQHis; (3GdeLJeYGJ GdQjajIs -- (3GdNdjL GdYQHis; (3GdNdjL GdYQHis -- (3GdGMhGd GdGLJeGYjIs; (3GdNdjL GdYQHis -- (3GdGMhGd GdGbJUGOjIs