(3GdLRA ajg eSfO YHO Gddg Hf CHj Chaj QVj Gddg Yfg (B/s - (3GHf UGYO, jMji Hf eMeO GdHZOGOj,s 228-318 (3g`(B.s; (3Bd MejO, SYO Hf YHO Gddg Hf YHO GdYRjRs ((3GdQjGV (B:s (3ecJHI GdQTO,s, 1981)
Keywords: (3GdMOjKs -- (3GdeSGfjOs; (3GdMOjKs -- (3eSfO YHO Gddg Hf CHj Chais