000			00297nam a2200133Ia 4500
100			_aRayudu, C.S
020			_a978-81-8318-799-2
250			_a9th ed
942			_cBK
245			_aCommunication
260			_aHimalaya publishing House, Mumbai _c2010
082			_a651.7 Ray
300			_axiii,712
999			_c37921 _d37921