(3MeRg Hf YHO GdeWdH SjO GdTgOGA h CSO Gddg (B/ s - (3MHjH, Lejd EHQGgjes ((3HjQhJ (B:s (3GdOGQ GdYQHjg ddehShYGJ,s, 1986)
Keywords: (3GdSjQI GdfHhjIs; (3GdUMGHI h GdJGHYhfs; (3Bd GdHjJs