(3GdYQGb(B: (3OQGSJI ai YdGbGJI GdNGQLjI hJWhQGJI GdOGNdjI (B1915 (3` (B1975 / s - (3GOjK hGFis; (3Gja HjRhRs; (3YHOGdeLjO MSjH GdYjTis ([S.N] : (3GdOGQ GdYQHjI ddehShYGJ , s, 1989)
Keywords: (3GdYUQ GdMOjKs; (3JGQjNs; (3GdYQGbs