(3YdGL GdSMQ hGdMSO hGdLGf aj GdbQBf hGdSfI (B/ s - (3GdTYQGhj, eMeO eJhdjs ((3GdbGgQI (B: s (3OGQ GdJhajbjI, s, 2013)
Keywords: (3GdSMQ h GdJfLje(B. s; (3GdCfXeI GdOjfjI(B. s; (3GdYdGL(B. s; (3GdbQBf GdcQje(B. s; (3GdMOjK GdTQja(B. s