(3LRA (B27 2 / s - (3hMOI KbGaI GdWads ([S.N] : (3TQcI SajQ , s, 1990)
Keywords: (3JYdjes; (3GTQWI GdJSLjds; (3GdhSGFd GdSeYjI hGdHUQjIs; (3GWaGds; (3ehGO ZjQ eWHhYIs