mohini Posted July 23, 2013 Share Posted July 23, 2013 Just got an advert for this - maybe it can benefit somebody. Calvert is doing some kind of study and they want participants who will receive 50% 0ff. To qualify you have to have never used Calvert before. http://homeschool.calvertschool.org/landing/efficacy-study/ Quote Link to comment Share on other sites More sharing options...
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