%0 Journal Article
%A 
%T Study the Effect of  Teaching Problem-Solving Skill on  First Year High School Male Students’ Acheivement in Sonqor City in academic year(2010-2011)
%J Educational Administration Research
%V 3
%N 9
%P 117-134
%D 2011
%R 
%U https://sanad.iau.ir/fa/Article/1113413