Tour of a simple trigonometry problem. (English)
Int. J. Math. Educ. Sci. Technol. 43, No. 4, 449-461 (2012).
1
Problem solving through an optimization problem in geometry. (English)
Teach. Math. Appl. 30, No. 2, 53-61 (2011).
2
Pilot study on algebra learning among junior secondary students. (English)
Int. J. Math. Educ. Sci. Technol. 41, No. 1, 49-62 (2010).
3