(3OQGSI ai GSJjQ (B/ s - (3aQjO MHjHs ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1986)
Keywords: (3GdjghOjIs; (3GdYgO GdbOjes; (3GdJhQGIs; (3GdeSjMjI hGdjghOjIs