(3GHhfhGS Hjf GdJNWi hGdGdJRGe (B/ s - (3Ydi Tdbs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1982)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdbUGFO hGdOhGhjfs; (3GHhfhGS, GdMSf Hf gGfis; (3fGQs; (3JGQjN hfbOs