Gaya APA

Sabandar, R, W, Y, S, K, U, S, J. (2015). The impact of problem-based learning approach tosenior high school students' mathematics critical thinking ability (Volume 6, No. 2, July 2015, pp. 30-38). : .

Gaya MLA

Sabandar, Reviandari, Widyatiningtyas1,, Yaya, S., Kusumah,, Utari, Sumarmo,, Jozua. "The impact of problem-based learning approach tosenior high school students' mathematics critical thinking ability". Volume 6, No. 2, July 2015, pp. 30-38 : , 2015. Electronic Resource.