Improving the Ability recognize Device Number Through To Play Cards Pictorial Number At Childrens 4-5 Years old In Desa Bukit Harapan Kecamatan Kerinci Kanan Kabupataen Siak Sri Indrapura. Skripsi. Pekanbaru. (Education Program Child Age Early Faculty Theachership And Science Education Of University of Riau Pekanbaru). Background of this research is in PAUD Adinda Desa Bukit Harapan. Lack of ab…