(3GdJOQjH (B:s (3HETGQI NGUI Edi GdJOQjH HTQWI GdTGQbI (B/s - (3YHO GdQMef, eMeO HTGQIs ((3GdTGQbI, GdEeGQGJ GdYQHjI GdeJMOI (B:s (3GdbjGOI GdYGeI dTQWI GdTGQbI, eQcR GdHMhK hGdOQGSGJ,s, 1999)
(3jTJed Ydi edNU HGddZI GdEfLdjRjI(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3QLGd GdTQWIs -- (3JOQjHs -- (3GdEeGQGJ GdYQHjI GdeJMOIs -- (3GdTGQbIs