(3GSgGe YdeGA GdYQH hGdeSdejf ai GdcjejGA (B/ s - (3Ydi YHOGddg GdOaGYs ([S.N] : (3eDSSI GdQSGdI , s, 1985)
Keywords: (3GdcjejGAs; (3GdYdeGA GdYQHs