ahmed, said abdo و Ben Alazmh, A. 2013. The research aimed at identify of impact when using the thinking maps in teaching economy on comprehension and attitude of female students of the second secondary class - literary section -in Aden governorate, Republic of Yemen. المجلة الدولية لتطوير التفوق. 4, 2 (2013). DOI:https://doi.org/10.20428/ijtd.v4i2.637.