(3eHGOF Ydej GdELQGe hGdYbGH (B/ s - (3QHjY, MSf eMeO s ((3OHj, GdEeGQGJ GdYQHjI GdeJMOI (B: s (3cdjI TQWI OHj,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3Yde GdELQGe s; (3GdLQjeI hGdeLQehfs; (3GdYbhHGJs