(3ePcQGJ Ydj eMehO GdTjN Ydj (B/ s - (3Ydj, Ydj eMehO GdTjNs; (3GdRHjOj, eMeO MSjfs ((3HZOGO (B:s (3OGQ hGSW ddOQGSGJ h GdfTQ h GdJhRjY,s, 1985)
Keywords: (3GdYQGbs; (3GdJGQjN GdSjGSjs