(3GdRhejGJ Ch dRhe eG dG jdRe dCHj GdYdGA GdeYQj(B:(3TGYQ GdadGSaI h ajdSha GdTYQGAs - (3CHh GdfUQ(B. (3YeQs ((3OGQ GdLjds (3HjQhJs, 1969)
Keywords: (3GdTYQ GdYQHj (B- (3fbOs