%0 Journal Article
%A Saadat Mehr, Ayub ,  Dastmard, Zakia
%T Analysis of the content of Persian books in the second half of the elementary school (sixth grade)
%J  Environmental sciences and geography knowledge
%V 1
%N 2
%P -
%D 2021
%R 
%U https://rimag.ir/fa/Article/41917