Method and system for operating interactive voice response systems tandem
2011 ◽
Vol 17
(6)
◽
pp. 452-455
◽
2014 ◽
Vol 20
(2)
◽
pp. 152-156
◽
2010 ◽
Vol 44
(6)
◽
pp. 727-740
◽
2002 ◽
Vol 112
(5)
◽
pp. 1735