(3ebOeGJ ai Yde GdfaS (B/ s - (3chSfjjg , LGfs; (3QGda QRb Gddgs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1982)
Keywords: (3Yde GdfaSs; (3Yde GdfaS GddZhis; (3GdGYdGes; (3hSGFd GdGYdGes; (3OdGdI Gdeaghes; (3OdGdI GdefWhbs; (3GdGJUGd (B- (3Yde GLJeGYs