(3Yde GddZI GdJWHjbjI hJYdje GdYQHjI (B/ s - (3YHOg GdQGLMis ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1992)
Keywords: (3GddZI GdYQHjIs; (3JYdje hJOQjSs; (3Yde GddZI GdJYdjeis; (3Yde GddZI GdJMdjdis