[tutu]

https://www.education.gov.uk/publica...-WBL-09-01.pdf
http://www.c4eo.org.uk/themes/earlyy...aspx?lpeid=137
http://www.familyandparenting.org/
http://www.teachfind.com/national-st...involvement-he
and www.peal.org.uk plus the pre school learning alliance will all have relevant research.
also remember to use months to describe developmental age and stage years are so pre eyfs!