Al-Absi، M. M. (2014). The Effect of Learning with the Environmental Approach on the Third Graders’ Ability of Mathematics Problem Solving. مجلة الدراسات التربوية والنفسية، مج8, ع4 ، 627 - 636. مسترجع من http://search.mandumah.com/Record/827040
Al-Absi، Mohammad Mustafa. "The Effect of Learning With the Environmental Approach On the Third Graders’ Ability of Mathematics Problem Solving." مجلة الدراسات التربوية والنفسية مج8, ع4 (2014): 627 - 636. مسترجع من http://search.mandumah.com/Record/827040