AUSTIN, Texas and PALO ALTO, Calif., Jan. 20, 2011 /PRNewswire/ -- SageMilk and CK-12 Foundation today announced the launch of the first phase of CK-12 FlexBook study-aid apps as part of a collaboration to create educational mobile apps from CK-12's portfolio of free, online, customizable digital te
Source : http://www.prnewswire.com/news-releases/sagemilk-s...
Source : http://www.prnewswire.com/news-releases/sagemilk-s...