(3OjhGf TYQ GdMGOQI GedGA GHi YHOGddg eMeO Hf GdYHGS GdjRjOi Yf GdGUeYi (B/ s - (3fGUQGdOjf GdGSOs; (3GdMGOQI (B, (3bWHI Hf GhS Hf eMUfs; (3GdjRjOi (B: (3GHhYHOGddg eMeO Hf GdYHGSs ([S.N] : (3OGQ UGOQ , s, 1991)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3OhGhjf hbUGFOs; (3JGQjN hfbOs