Gaya APA

KARTINA, . et al (2011). Active learning and student engagement in mathematics at Madrasah Ibtida'iyah Al Jauharotunnaqiyah . USA: University of Pittsburgh.

Gaya MLA

KARTINA, . et al. "Active learning and student engagement in mathematics at Madrasah Ibtida'iyah Al Jauharotunnaqiyah". USA: University of Pittsburgh, 2011. Artikel.