-Bessick،S.C.(2008). Improved critical thinking skill as a result of direct instraction and their relationship to academic achievement،A dissertation submitted to the graduate studies and research in partial fulfillment of the requirements for the degree doctor of education، Indian university of Pennsylvania، May 2008.
-Birbili،M.(2013). “Developing young children`s think skills in Greek early childhood classrooms: Curriculum and practice”. Early child development and care، 183(8)، 1101-1114.
-Cullinane،A.(2009).”Bloom`s taxonomy and its use in classroom assessment”.Resource & Research guide، 1(13)، 1-4.
-Ennis، R.(1985).“Alogical basis for measuring critical thinking skills”. Educational leadership. 43(2)، 44-48.
-Krathwohl،D.(2002).”A revision of bloom`s taxonomy: An overview”.Theory in to practice، 41(4)، 212-218.
-Lipman، M.(1988). “Critical thinking : What can it be”. Education leadership، 46(1)، 38-43.
-Leon، J.(2015). “A base line study of strategies to promote critical thinking in the preschool classroom”. Gist education and learning research journal، 10، 113-127.
-Nkhoma، M، Lam، Tri.(2016). Developing case-based learning activities based on the revised bloom`s taxonomy. Proceeding of information science & It education conference.85-93.retrieved from
http://www.informingscience.org/Publication/3496.
-Sulaiman، T & Noordin، N.(2005).” The application of question levels in the teaching of year one primary school students”. Journal of science and mathematics education in southeast Asia، 28(2)، 117-140.
-Venter، E، Higgs، L.(2014). “Philosophy for children in a Democratic classroom”.Jsoc Sci، 41(1)، 11-16.