(3RGO GdeSjQ ai Yde GdJaSjQ (B/ s - (3eMeO Hf YHOGdQMef YHOGddgs; (3GHhgGLQ eMeO GdSYjO Hf HSjhfis ([S.N] : (3OGQ GdadSaI , s, 1987)
Keywords: (3GdGSdGes; (3JaSjQ GdbQGf GdcQjes; (3GdbQGfs