(3QjGV GdUGdMjf (B/s - (3Gdfhhj, jMji Hf TQa Hf eQj,s 631-676 (3g`(B.s; (3GdCQfGDhW, TYjH,s 1928-2016 ([(3O(B.(3e(B.]s (3eDSSI GdQSGdI,s, 1986)
Keywords: (3GdMOjKs -- (3LhGeY Gdafhfs