(3GdJQHjI hGdeTcdI GdGbJUGOjI (B/ s - (3aDGO HSjhfi eJhdis ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1990)
Keywords: (3GdeLJeYs; (3GdJQHjIs; (3GdeOQSI hGdeLJeYs; (3Yde GdfaS GdJQHhis; (3GdJOQjSs; (3GdeOQShfs