(3abg YeQ Hf GdNWGH (B((3QVi Gddg Yfg(B) :s (3ehGRfG Habg CTgQ GdeLJgOjf (B/s - (3GdQMjdj, QhjYj Hf QGLMs ((3HjQhJ (B:s (3OGQGdZQH GdESdGej, s, 1982)
Keywords: (3GdabI GdGSdGeis; (3abg YeQHf GdNWGH QVi Gddg Yfgs