https://responsiblehomeschooling.org/research-old/virginias-religious-exemption-ray-1994/ 2021-03-23T15:33:30+00:00 weekly 1.0 https://responsiblehomeschooling.org/research-old/achievement-and-demographics-rudner-1999/ 2022-04-25T09:42:41+00:00 weekly 1.0 https://responsiblehomeschooling.org/research-old/homeschooling-academics-and-demographics-ray-2010/ 2022-06-29T09:38:39+00:00 weekly 1.0