(3GdSjGSI GdGeQjcjI JLGg GdNdjL GdYQHj Hjf GOGQI fjcShf hYgO QjaGf (B/ s - (3LGSe, ceGd jGSjfs; (3UGdM, ZGfe eMeOs; (3LGeYI HZOGO (B. s (3cdjI GdbGfhf hGdSjGSI (B. s (3bSe Ydhe SjGSjI s (1987)
(3GdfU HGddZI GdYQHjI ; GdeSJNdU HGddZI GdYQHjI hGdGfcdjRjIs
Keywords: (3GdSjGSI GdNGQLjIs