Mokhtar Ranjbar, Maryam Peyrov. Investigating the Amount of Attention Paid to Critical Thinking Skills in the Fourth Grade Primary School’s Social Teachings Textbook Authored in 2016 in Comparison to its 2002 Version. 3 2019; 2 (24) :1-5 URL: http://jnrihs.ir/article-1-238-en.html