(3fWGb GdJNWjW Hjf CLgRI GdTQWI hGdbhGJ GdeSdMI aj ecGaMI GdEQgGH OGNd GdOhdI (B/s - (3GdYjO, YjO YHO GdYRjRs; (3GdfMGS, YHO GdQMje s; (3CjhH, SjO s (1988)
(3CWQhMI (B((3eGLSJjQ(B)s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdEQgGH s -- (3ecGaMIs; (3GdTQWIs -- (3GdSYhOjIs -- (3EOGQIs; (3GdSYhOjIs -- (3bhGJ eSdMIs -- (3EOGQIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s