(3aVd Yde GdSda Ydi Yde GdNda (B/s - (3GHf QLH, YHO GdQMef Hf CMeO Hf QLH,s 736-795 (3g`(B.s; (3ZRGhj, jMji eNJGQs ((3YeGf, GdCQOf (B:s (3OGQ GdHTGFQ GdESdGejI ;s, 1983)
(3eY (B: (3QSGdI aVd GdcdGe aj Pe Yde GdcdGe (B/ (3ddeMbb(B.s
Keywords: (3GdESdGe hGdYdes; (3GdESdGes -- (3ebGdGJ heMGVQGJs; (3GdESdGes -- (3OYhGJ SdajIs